Revert 277208 "[PPAPI] Compositor API implementation."

This CL seems to cause perf bot failure.
The log said nacl_helper-data size gained exceeds expectation.

http://build.chromium.org/p/chromium/builders/Linux/builds/50560
https://chromeperf.appspot.com/report?masters=Chromium&bots=chromium-rel-linux&tests=sizes%2Fnacl_helper-data&rev=277212&checked=core

> [PPAPI] Compositor API implementation.
>
> Implement the compositor API which allows a plugin to combine different sources of visual data efficiently, such as PPB_ImageData and OpengGL texture.
>
> API Proposal http://goo.gl/V7xcu3
>
> BUG=374383
>
> Review URL: https://codereview.chromium.org/298023004

TBR=penghuang@chromium.org

Review URL: https://codereview.chromium.org/331123003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@277372 0039d316-1c4b-4281-b951-d872f2087c98

content/content_renderer.gypi

@@ -475,8 +475,6 @@
       'renderer/pepper/pepper_broker.h',
       'renderer/pepper/pepper_browser_connection.cc',
       'renderer/pepper/pepper_browser_connection.h',
-      'renderer/pepper/pepper_compositor_host.cc',
-      'renderer/pepper/pepper_compositor_host.h',
       'renderer/pepper/pepper_device_enumeration_host_helper.cc',
       'renderer/pepper/pepper_device_enumeration_host_helper.h',
       'renderer/pepper/pepper_file_chooser_host.cc',

content/renderer/pepper/content_renderer_pepper_host_factory.cc

@@ -9,7 +9,6 @@
 #include "content/public/common/content_client.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/renderer/pepper/pepper_audio_input_host.h"
-#include "content/renderer/pepper/pepper_compositor_host.h"
 #include "content/renderer/pepper/pepper_file_chooser_host.h"
 #include "content/renderer/pepper/pepper_file_ref_renderer_host.h"
 #include "content/renderer/pepper/pepper_file_system_host.h"
@@ -83,10 +82,6 @@ scoped_ptr<ResourceHost> ContentRendererPepperHostFactory::CreateResourceHost(
 
   // Public interfaces.
   switch (message.type()) {
-    case PpapiHostMsg_Compositor_Create::ID: {
-        return scoped_ptr<ResourceHost>(
-            new PepperCompositorHost(host_, instance, params.pp_resource()));
-      }
     case PpapiHostMsg_FileRef_CreateForFileAPI::ID: {
       PP_Resource file_system;
       std::string internal_path;

content/renderer/pepper/gfx_conversion.h

@@ -10,7 +10,6 @@
 #include "ppapi/c/pp_size.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
-#include "ui/gfx/rect_f.h"
 #include "ui/gfx/size.h"
 
 // Conversions for graphics types between our gfx library and PPAPI.
@@ -30,10 +29,6 @@ inline gfx::Rect PP_ToGfxRect(const PP_Rect& r) {
   return gfx::Rect(r.point.x, r.point.y, r.size.width, r.size.height);
 }
 
-inline gfx::RectF PP_ToGfxRectF(const PP_FloatRect& r) {
-  return gfx::RectF(r.point.x, r.point.y, r.size.width, r.size.height);
-}
-
 inline PP_Rect PP_FromGfxRect(const gfx::Rect& r) {
   return PP_MakeRectFromXYWH(r.x(), r.y(), r.width(), r.height());
 }