diff --git a/chrome/browser/media/router/BUILD.gn b/chrome/browser/media/router/BUILD.gn
index 1472a994594853..b93c296f06190a 100644
--- a/chrome/browser/media/router/BUILD.gn
+++ b/chrome/browser/media/router/BUILD.gn
@@ -169,8 +169,6 @@ if (!is_android) {
       "test/media_router_mojo_test.h",
       "test/mock_dns_sd_registry.cc",
       "test/mock_dns_sd_registry.h",
-      "test/mock_logger.cc",
-      "test/mock_logger.h",
       "test/mock_mojo_media_router.cc",
       "test/mock_mojo_media_router.h",
       "test/noop_dual_media_sink_service.cc",
diff --git a/chrome/browser/media/router/providers/cast/cast_activity_manager_unittest.cc b/chrome/browser/media/router/providers/cast/cast_activity_manager_unittest.cc
index 5df8f773278d45..e2e3245b467b96 100644
--- a/chrome/browser/media/router/providers/cast/cast_activity_manager_unittest.cc
+++ b/chrome/browser/media/router/providers/cast/cast_activity_manager_unittest.cc
@@ -25,12 +25,12 @@
 #include "chrome/browser/media/router/providers/cast/mock_app_activity.h"
 #include "chrome/browser/media/router/providers/cast/test_util.h"
 #include "chrome/browser/media/router/providers/common/buffered_message_sender.h"
-#include "chrome/browser/media/router/test/mock_logger.h"
 #include "chrome/browser/media/router/test/mock_mojo_media_router.h"
 #include "chrome/browser/media/router/test/provider_test_helpers.h"
 #include "components/cast_channel/cast_message_util.h"
 #include "components/cast_channel/cast_test_util.h"
 #include "components/media_router/common/media_source.h"
+#include "components/media_router/common/test/mock_logger.h"
 #include "components/media_router/common/test/test_helper.h"
 #include "content/public/browser/browser_task_traits.h"
 #include "content/public/browser/browser_thread.h"
diff --git a/chrome/browser/media/router/test/mock_logger.h b/chrome/browser/media/router/test/mock_logger.h
deleted file mode 100644
index de7f48c1198903..00000000000000
--- a/chrome/browser/media/router/test/mock_logger.h
+++ /dev/null
@@ -1,43 +0,0 @@
-// Copyright 2020 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CHROME_BROWSER_MEDIA_ROUTER_TEST_MOCK_LOGGER_H_
-#define CHROME_BROWSER_MEDIA_ROUTER_TEST_MOCK_LOGGER_H_
-
-#include "components/media_router/common/mojom/logger.mojom.h"
-#include "testing/gmock/include/gmock/gmock.h"
-
-namespace media_router {
-
-class MockLogger : public mojom::Logger {
- public:
-  MockLogger();
-  ~MockLogger() override;
-
-  MOCK_METHOD6(LogInfo,
-               void(mojom::LogCategory category,
-                    const std::string& component,
-                    const std::string& message,
-                    const std::string& sink_id,
-                    const std::string& media_source,
-                    const std::string& session_id));
-  MOCK_METHOD6(LogWarning,
-               void(mojom::LogCategory category,
-                    const std::string& component,
-                    const std::string& message,
-                    const std::string& sink_id,
-                    const std::string& media_source,
-                    const std::string& session_id));
-  MOCK_METHOD6(LogError,
-               void(mojom::LogCategory category,
-                    const std::string& component,
-                    const std::string& message,
-                    const std::string& sink_id,
-                    const std::string& media_source,
-                    const std::string& session_id));
-};
-
-}  // namespace media_router
-
-#endif  // CHROME_BROWSER_MEDIA_ROUTER_TEST_MOCK_LOGGER_H_
diff --git a/components/media_router/common/BUILD.gn b/components/media_router/common/BUILD.gn
index 17caf2f44222f8..d72b987056c184 100644
--- a/components/media_router/common/BUILD.gn
+++ b/components/media_router/common/BUILD.gn
@@ -54,9 +54,12 @@ static_library("test_support") {
   deps = [
     "//base",
     "//base/test:test_support",
+    "//components/media_router/common/mojom:logger",
   ]
   public_deps = [ ":common" ]
   sources = [
+    "test/mock_logger.cc",
+    "test/mock_logger.h",
     "test/test_helper.cc",
     "test/test_helper.h",
   ]
diff --git a/components/media_router/common/DEPS b/components/media_router/common/DEPS
index 674b34dfca852a..356dd7fdb63a74 100644
--- a/components/media_router/common/DEPS
+++ b/components/media_router/common/DEPS
@@ -1,3 +1,4 @@
 include_rules = [
   "+url",
+  "+mojo",
 ]
diff --git a/chrome/browser/media/router/test/mock_logger.cc b/components/media_router/common/test/mock_logger.cc
similarity index 82%
rename from chrome/browser/media/router/test/mock_logger.cc
rename to components/media_router/common/test/mock_logger.cc
index f755f9ff2d315f..c5e3231bcfac20 100644
--- a/chrome/browser/media/router/test/mock_logger.cc
+++ b/components/media_router/common/test/mock_logger.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/media/router/test/mock_logger.h"
+#include "components/media_router/common/test/mock_logger.h"
 
 namespace media_router {
 
diff --git a/components/media_router/common/test/mock_logger.h b/components/media_router/common/test/mock_logger.h
new file mode 100644
index 00000000000000..4b84a1a6603710
--- /dev/null
+++ b/components/media_router/common/test/mock_logger.h
@@ -0,0 +1,48 @@
+// Copyright 2020 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef COMPONENTS_MEDIA_ROUTER_COMMON_TEST_MOCK_LOGGER_H_
+#define COMPONENTS_MEDIA_ROUTER_COMMON_TEST_MOCK_LOGGER_H_
+
+#include "components/media_router/common/mojom/logger.mojom.h"
+#include "mojo/public/cpp/bindings/pending_remote.h"
+#include "mojo/public/cpp/bindings/receiver.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media_router {
+
+class MockLogger : public media_router::mojom::Logger {
+ public:
+  MockLogger();
+  ~MockLogger() override;
+
+  MOCK_METHOD6(LogInfo,
+               void(media_router::mojom::LogCategory,
+                    const std::string&,
+                    const std::string&,
+                    const std::string&,
+                    const std::string&,
+                    const std::string&));
+  MOCK_METHOD6(LogWarning,
+               void(media_router::mojom::LogCategory,
+                    const std::string&,
+                    const std::string&,
+                    const std::string&,
+                    const std::string&,
+                    const std::string&));
+  MOCK_METHOD6(LogError,
+               void(media_router::mojom::LogCategory,
+                    const std::string&,
+                    const std::string&,
+                    const std::string&,
+                    const std::string&,
+                    const std::string&));
+
+ private:
+  mojo::Receiver<media_router::mojom::Logger> receiver_{this};
+};
+}  // namespace media_router
+
+#endif