Add blink::ServiceRegistry and expose it from LocalFrame and Platform.

third_party/WebKit/Source/platform/testing/TestingPlatformSupport.cpp

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 52 matching lines @@
 WebThread* TestingPlatformSupport::currentThread()
 {
     return m_oldPlatform ? m_oldPlatform->currentThread() : nullptr;
 }
 
 WebUnitTestSupport* TestingPlatformSupport::unitTestSupport()
 {
     return m_oldPlatform ? m_oldPlatform->unitTestSupport() : nullptr;
 }
 
-void TestingPlatformSupport::connectToRemoteService(const char* name, mojo::ScopedMessagePipeHandle handle)
-{
-    ASSERT_NOT_REACHED();
-}
-
 class TestingPlatformMockWebTaskRunner : public WebTaskRunner {
     WTF_MAKE_NONCOPYABLE(TestingPlatformMockWebTaskRunner);
 public:
     explicit TestingPlatformMockWebTaskRunner(Deque<OwnPtr<WebTaskRunner::Task>>* tasks) : m_tasks(tasks) { }
     ~TestingPlatformMockWebTaskRunner() override { }
 
     void postTask(const WebTraceLocation&, Task* task) override
     {
         m_tasks->append(adoptPtr(task));
     }
@@ skipping 100 matching lines @@
 {
     return m_mockWebThread.get();
 }
 
 TestingPlatformMockScheduler* TestingPlatformSupportWithMockScheduler::mockWebScheduler()
 {
     return m_mockWebThread->mockWebScheduler();
 }
 
 } // namespace blink