DevTools: remove usage of DEBUG_DEVTOOLS

With a separate repository, we want to make developing DevTools frontend
as much decoupled from rest of Chromium as possible. This includes not
having to rebuild Chromium for debug mode.

Bug: 1087379
Change-Id: Ie42185dcc685f4a08f106286f0d0824dcee60a99
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2218774
Reviewed-by: Tim van der Lippe <tvanderlippe@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#773172}

chrome/browser/devtools/device/port_forwarding_controller.cc

@@ -494,9 +494,6 @@ void PortForwardingController::Connection::SendCommand(
     pending_responses_[id] =
         base::Bind(&Connection::ProcessBindResponse,
                    base::Unretained(this), port);
-#if BUILDFLAG(DEBUG_DEVTOOLS)
-    port_status_[port] = kStatusConnecting;
-#endif  // BUILDFLAG(DEBUG_DEVTOOLS)
   } else {
     auto it = port_status_.find(port);
     if (it != port_status_.end() && it->second == kStatusError) {
@@ -508,9 +505,6 @@ void PortForwardingController::Connection::SendCommand(
     pending_responses_[id] =
         base::Bind(&Connection::ProcessUnbindResponse,
                    base::Unretained(this), port);
-#if BUILDFLAG(DEBUG_DEVTOOLS)
-    port_status_[port] = kStatusDisconnecting;
-#endif  // BUILDFLAG(DEBUG_DEVTOOLS)
   }
 
   web_socket_->SendFrame(SerializeCommand(id, method, std::move(params)));

chrome/browser/devtools/devtools_ui_bindings.cc

@@ -328,7 +328,7 @@ std::string SanitizeFrontendQueryParam(
     const std::string& key,
     const std::string& value) {
   // Convert boolean flags to true.
-  if (key == "can_dock" || key == "debugFrontend" || key == "isSharedWorker" ||
+  if (key == "can_dock" || key == "isSharedWorker" ||
       key == "v8only" || key == "remoteFrontend" || key == "nodeFrontend" ||
       key == "hasOtherClients" || key == "uiDevTools")
     return "true";
@@ -1555,12 +1555,7 @@ void DevToolsUIBindings::ReadyToCommitNavigation(
 }
 
 void DevToolsUIBindings::DocumentOnLoadCompletedInMainFrame() {
-  // In the DEBUG_DEVTOOLS mode, the DocumentOnLoadCompletedInMainFrame event
-  // arrives before the LoadCompleted event, thus it should not trigger the
-  // frontend load handling.
-#if !BUILDFLAG(DEBUG_DEVTOOLS)
   FrontendLoaded();
-#endif
 }
 
 void DevToolsUIBindings::DidNavigateMainFrame() {

chrome/browser/devtools/devtools_ui_bindings_unittest.cc

@@ -19,15 +19,12 @@ TEST_F(DevToolsUIBindingsTest, SanitizeFrontendURL) {
        "devtools://devtools/bundled/devtools.html#hash"},
       {"devtools://devtools/some/random/path",
        "devtools://devtools/some/random/path"},
-      {"devtools://devtools/bundled/devtools.html?debugFrontend=true",
-       "devtools://devtools/bundled/devtools.html?debugFrontend=true"},
       {"devtools://devtools/bundled/devtools.html"
-       "?some-flag=flag&v8only=true&debugFrontend=a"
+       "?some-flag=flag&v8only=true"
        "&another-flag=another-flag&can_dock=false&isSharedWorker=notreally"
        "&remoteFrontend=sure",
        "devtools://devtools/bundled/devtools.html"
-       "?v8only=true&debugFrontend=true"
-       "&can_dock=true&isSharedWorker=true&remoteFrontend=true"},
+       "?v8only=true&can_dock=true&isSharedWorker=true&remoteFrontend=true"},
       {"devtools://devtools/?ws=any-value-is-fine",
        "devtools://devtools/?ws=any-value-is-fine"},
       {"devtools://devtools/"
@@ -54,7 +51,7 @@ TEST_F(DevToolsUIBindingsTest, SanitizeFrontendURL) {
        "https://chrome-devtools-frontend.appspot.com/serve_file/path/"},
       {"devtools://devtools/?remoteBase="
        "https://chrome-devtools-frontend.appspot.com/serve_file/"
-       "@123719741873/inspector.html%3FdebugFrontend%3Dfalse",
+       "@123719741873/inspector.html",
        "devtools://devtools/?remoteBase="
        "https://chrome-devtools-frontend.appspot.com/serve_file/"
        "@123719741873/"},
@@ -66,10 +63,10 @@ TEST_F(DevToolsUIBindingsTest, SanitizeFrontendURL) {
        "@b4907cc5d602ff470740b2eb6344b517edecb7b9/&can_dock=true"},
       {"devtools://devtools/?remoteFrontendUrl="
        "https://chrome-devtools-frontend.appspot.com/serve_rev/"
-       "@12345/inspector.html%3FdebugFrontend%3Dfalse",
+       "@12345/inspector.html",
        "devtools://devtools/?remoteFrontendUrl="
        "https%3A%2F%2Fchrome-devtools-frontend.appspot.com%2Fserve_rev"
-       "%2F%4012345%2Finspector.html%3FdebugFrontend%3Dtrue"},
+       "%2F%4012345%2Finspector.html"},
       {"devtools://devtools/?remoteFrontendUrl="
        "https://chrome-devtools-frontend.appspot.com/serve_rev/"
        "@12345/inspector.html%22></iframe>something",
@@ -84,11 +81,10 @@ TEST_F(DevToolsUIBindingsTest, SanitizeFrontendURL) {
       {"devtools://devtools/?remoteFrontendUrl="
        "https://chrome-devtools-frontend.appspot.com/serve_rev/"
        "@12345/devtools.html%3Fws%3Danyvalue"
-       "&unencoded=value&debugFrontend=true",
+       "&unencoded=value",
        "devtools://devtools/?remoteFrontendUrl="
        "https%3A%2F%2Fchrome-devtools-frontend.appspot.com%2Fserve_rev"
-       "%2F%4012345%2Fdevtools.html%3Fws%3Danyvalue"
-       "&debugFrontend=true"},
+       "%2F%4012345%2Fdevtools.html%3Fws%3Danyvalue"},
       {"devtools://devtools/?remoteFrontendUrl="
        "https://chrome-devtools-frontend.appspot.com/serve_rev/"
        "@12345/inspector.html%23%27",

chrome/browser/devtools/devtools_window.cc

@@ -227,10 +227,6 @@ GURL DecorateFrontendURL(const GURL& base_url) {
         switches::kDevToolsFlags);
   }
 
-#if BUILDFLAG(DEBUG_DEVTOOLS)
-  url_string += "&debugFrontend=true";
-#endif  // BUILDFLAG(DEBUG_DEVTOOLS)
-
   return GURL(url_string);
 }
 

chrome/browser/devtools/remote_debugging_server.cc

@@ -16,9 +16,11 @@
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/common/chrome_paths.h"
+#include "chrome/common/chrome_switches.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "content/public/browser/devtools_socket_factory.h"
 #include "content/public/common/content_switches.h"
+#include "net/base/filename_util.h"
 #include "net/base/net_errors.h"
 #include "net/log/net_log_source.h"
 #include "net/socket/tcp_server_socket.h"
@@ -108,10 +110,13 @@ RemoteDebuggingServer::RemoteDebuggingServer() {
   }
 
   base::FilePath debug_frontend_dir;
-#if BUILDFLAG(DEBUG_DEVTOOLS)
-  base::PathService::Get(chrome::DIR_INSPECTOR_DEBUG, &debug_frontend_dir);
-#endif
-
+  if (command_line.HasSwitch(::switches::kCustomDevtoolsFrontend)) {
+    GURL custom_devtools_frontend_url(command_line.GetSwitchValueASCII(
+        ::switches::kCustomDevtoolsFrontend));
+    if (custom_devtools_frontend_url.SchemeIsFile()) {
+      net::FileURLToFilePath(custom_devtools_frontend_url, &debug_frontend_dir);
+    }
+  }
   content::DevToolsAgentHost::StartRemoteDebuggingServer(
       std::make_unique<TCPServerSocketFactory>(port), output_dir,
       debug_frontend_dir);

chrome/browser/renderer_context_menu/render_view_context_menu.cc

@@ -1111,14 +1111,9 @@ std::string RenderViewContextMenu::GetTargetLanguage() const {
 }
 
 void RenderViewContextMenu::AppendDeveloperItems() {
-  // Show Inspect Element in DevTools itself only in case of the debug
-  // devtools build.
+  // Do not Show Inspect Element for DevTools.
   bool show_developer_items = !IsDevToolsURL(params_.page_url);
 
-#if BUILDFLAG(DEBUG_DEVTOOLS)
-  show_developer_items = true;
-#endif
-
   if (!show_developer_items)
     return;
 

chrome/browser/ui/webui/devtools_ui_data_source.cc

@@ -115,15 +115,13 @@ void DevToolsDataSource::StartDataRequest(
                             base::CompareCase::INSENSITIVE_ASCII));
     std::string path_under_bundled =
         path_without_params.substr(bundled_path_prefix.length());
-#if !BUILDFLAG(DEBUG_DEVTOOLS)
-    if (!GetCustomDevToolsFrontendURL().SchemeIsFile()) {
+    if (GetCustomDevToolsFrontendURL().SchemeIsFile()) {
+      // Fetch from file system.
+      StartFileRequest(path_under_bundled, std::move(callback));
+    } else {
       // Fetch from packaged resources.
       StartBundledDataRequest(path_under_bundled, std::move(callback));
-      return;
     }
-#endif
-    // Fetch from file system.
-    StartFileRequest(path_under_bundled, std::move(callback));
     return;
   }
 
@@ -192,10 +190,7 @@ void DevToolsDataSource::StartBundledDataRequest(
   scoped_refptr<base::RefCountedMemory> bytes =
       content::DevToolsFrontendHost::GetFrontendResourceBytes(path);
 
-  DLOG_IF(WARNING, !bytes)
-      << "Unable to find dev tool resource: " << path
-      << ". If you compiled with debug_devtools=1, try running with "
-         "--debug-devtools.";
+  DLOG_IF(WARNING, !bytes) << "Unable to find DevTools resource: " << path;
   std::move(callback).Run(bytes);
 }
 
@@ -305,21 +300,11 @@ void DevToolsDataSource::StartFileRequest(const std::string& path,
                                           GotDataCallback callback) {
   base::FilePath base_path;
   GURL custom_devtools_frontend = GetCustomDevToolsFrontendURL();
-  if (custom_devtools_frontend.SchemeIsFile()) {
-    if (!net::FileURLToFilePath(custom_devtools_frontend, &base_path)) {
-      std::move(callback).Run(CreateNotFoundResponse());
-      return;
-    }
-  } else {
-#if BUILDFLAG(DEBUG_DEVTOOLS)
-    // Use default path for unbundled files when debug_devtools=true
-    if (!base::PathService::Get(chrome::DIR_INSPECTOR_DEBUG, &base_path)) {
-      std::move(callback).Run(CreateNotFoundResponse());
-      return;
-    }
-#else
-    NOTREACHED();
-#endif
+  DCHECK(custom_devtools_frontend.SchemeIsFile());
+  if (!net::FileURLToFilePath(custom_devtools_frontend, &base_path)) {
+    std::move(callback).Run(CreateNotFoundResponse());
+    LOG(WARNING) << "Unable to find DevTools resource: " << path;
+    return;
   }
 
   base::FilePath full_path = base_path.AppendASCII(path);

chrome/common/chrome_paths.cc

@@ -273,12 +273,6 @@ bool PathProvider(int key, base::FilePath* result) {
       cur = cur.Append(FILE_PATH_LITERAL("resources"));
 #endif
       break;
-    case chrome::DIR_INSPECTOR_DEBUG:
-      if (!base::PathService::Get(chrome::DIR_RESOURCES, &cur))
-        return false;
-      cur = cur.Append(FILE_PATH_LITERAL("inspector"))
-               .Append(FILE_PATH_LITERAL("debug"));
-      break;
     case chrome::DIR_APP_DICTIONARIES:
 #if defined(OS_POSIX)
       // We can't write into the EXE dir on Linux, so keep dictionaries

chrome/common/chrome_paths.h

@@ -32,8 +32,6 @@ enum {
 #endif
   DIR_RESOURCES,               // Directory containing separate file resources
                                // used by Chrome at runtime.
-  DIR_INSPECTOR_DEBUG,         // Directory where non-bundled and non-minified
-                               // web inspector is located.
   DIR_APP_DICTIONARIES,        // Directory where the global dictionaries are.
   DIR_USER_DOCUMENTS,          // Directory for a user's "My Documents".
   DIR_USER_MUSIC,              // Directory for a user's music.

chrome/test/chromedriver/net/adb_client_socket.cc

@@ -460,35 +460,11 @@ void AdbClientSocket::SendFile(int port,
   new AdbSendFileSocket(port, serial, filename, content, callback);
 }
 
-#if BUILDFLAG(DEBUG_DEVTOOLS)
-static void UseTransportQueryForDesktop(const SocketCallback& callback,
-                                        net::StreamSocket* socket,
-                                        int result) {
-  callback.Run(result, socket);
-}
-#endif  // BUILDFLAG(DEBUG_DEVTOOLS)
-
 // static
 void AdbClientSocket::TransportQuery(int port,
                                      const std::string& serial,
                                      const std::string& socket_name,
                                      const SocketCallback& callback) {
-#if BUILDFLAG(DEBUG_DEVTOOLS)
-  if (serial.empty()) {
-    // Use plain socket for remote debugging on Desktop (debugging purposes).
-    int tcp_port = 0;
-    if (!base::StringToInt(socket_name, &tcp_port))
-      tcp_port = 9222;
-
-    net::AddressList address_list = net::AddressList::CreateFromIPAddress(
-        net::IPAddress::IPv4Localhost(), tcp_port);
-    net::TCPClientSocket* socket = new net::TCPClientSocket(
-        address_list, nullptr, nullptr, net::NetLogSource());
-    socket->Connect(
-        base::BindOnce(&UseTransportQueryForDesktop, callback, socket));
-    return;
-  }
-#endif  // BUILDFLAG(DEBUG_DEVTOOLS)
   new AdbTransportSocket(port, serial, socket_name, callback);
 }
 

third_party/blink/public/BUILD.gn

@@ -64,7 +64,6 @@ config("blink_headers_config") {
 buildflag_header("buildflags") {
   header = "public_buildflags.h"
   flags = [
-    "DEBUG_DEVTOOLS=$debug_devtools",
     "USE_MINIKIN_HYPHENATION=$use_minikin_hyphenation",
     "ENABLE_UNHANDLED_TAP=$enable_unhandled_tap",
   ]