Remove GetExtensionEventRouter from Profile.

chrome/browser/extensions/settings/settings_test_util.h

Index: chrome/browser/extensions/settings/settings_test_util.h
diff --git a/chrome/browser/extensions/settings/settings_test_util.h b/chrome/browser/extensions/settings/settings_test_util.h
index 0acb66930e83821ca1ba7d0da6b2639e566fa25d..f38d8819bf22743e68636d1aecf84fc90985a154 100644
--- a/chrome/browser/extensions/settings/settings_test_util.h
+++ b/chrome/browser/extensions/settings/settings_test_util.h
@@ -17,6 +17,7 @@
 #include "chrome/browser/extensions/settings/settings_namespace.h"
 #include "chrome/browser/extensions/settings/settings_storage_factory.h"
 #include "chrome/browser/extensions/test_extension_service.h"
+#include "chrome/browser/extensions/test_extension_system.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/test/base/testing_profile.h"
 
@@ -63,8 +64,22 @@ class MockExtensionService : public TestExtensionService {
   std::map<std::string, scoped_refptr<Extension> > extensions_;
 };
 
-// A Profile which returns ExtensionService and EventRouters with
-// enough functionality for the tests.
+// A mock ExtensionSystem to serve an EventRouter.
+class MockExtensionSystem : public TestExtensionSystem {
+ public:
+  explicit MockExtensionSystem(Profile* profile);
+  virtual ~MockExtensionSystem();
+
+  virtual EventRouter* event_router() OVERRIDE;
+
+ private:
+  scoped_ptr<EventRouter> event_router_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockExtensionSystem);
+};
+
+// A Profile which returns an ExtensionService with enough functionality for
+// the tests.
 class MockProfile : public TestingProfile {
  public:
   explicit MockProfile(const FilePath& file_path);
@@ -73,13 +88,10 @@ class MockProfile : public TestingProfile {
   // Returns the same object as GetExtensionService, but not coaxed into an
   // ExtensionService; use this method from tests.
   MockExtensionService* GetMockExtensionService();
-
   virtual ExtensionService* GetExtensionService() OVERRIDE;
-  virtual EventRouter* GetExtensionEventRouter() OVERRIDE;
 
  private:
   MockExtensionService extension_service_;
-  scoped_ptr<EventRouter> event_router_;
 };
 
 // SettingsStorageFactory which acts as a wrapper for other factories.