Refactor Blink's ServiceConnector and add ability to mock in layout tests

third_party/WebKit/Source/platform/exported/Platform.cpp

 /*
  * Copyright (C) 2012 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 19 matching lines @@
 
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "platform/Histogram.h"
 #include "platform/MemoryCoordinator.h"
 #include "platform/PartitionAllocMemoryDumpProvider.h"
 #include "platform/fonts/FontCacheMemoryDumpProvider.h"
 #include "platform/heap/BlinkGCMemoryDumpProvider.h"
 #include "platform/heap/GCTaskRunner.h"
 #include "platform/instrumentation/tracing/MemoryCacheDumpProvider.h"
+#include "public/platform/Connector.h"
 #include "public/platform/InterfaceProvider.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebPrerenderingSupport.h"
 #include "wtf/HashMap.h"
 
 namespace blink {
 
 static Platform* s_platform = nullptr;
 
 static GCTaskRunner* s_gcTaskRunner = nullptr;
@@ skipping 90 matching lines @@
 }
 
 Platform* Platform::current() {
   return s_platform;
 }
 
 WebThread* Platform::mainThread() const {
   return m_mainThread;
 }
 
+Connector* Platform::connector() {
+  return Connector::getEmptyConnector();
+}
+
 InterfaceProvider* Platform::interfaceProvider() {
   return InterfaceProvider::getEmptyInterfaceProvider();
 }
 
-void Platform::bindServiceConnector(
-    mojo::ScopedMessagePipeHandle remoteHandle) {}
-
 }  // namespace blink