[DevTools] Move DispatchOnDevToolsFrontend to embedder.

content/renderer/devtools/devtools_client.cc

Index: content/renderer/devtools/devtools_client.cc
diff --git a/content/renderer/devtools/devtools_client.cc b/content/renderer/devtools/devtools_client.cc
index 5799fa4b0ede22879748aa7d42a4f9b60e4f582b..0d4f7dc520b732c90dda98535adcddfdfe8c2a32 100644
--- a/content/renderer/devtools/devtools_client.cc
+++ b/content/renderer/devtools/devtools_client.cc
@@ -36,19 +36,6 @@ DevToolsClient::DevToolsClient(RenderViewImpl* render_view)
 DevToolsClient::~DevToolsClient() {
 }
 
-bool DevToolsClient::OnMessageReceived(const IPC::Message& message) {
-  DCHECK(RenderThreadImpl::current());
-
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(DevToolsClient, message)
-    IPC_MESSAGE_HANDLER(DevToolsClientMsg_DispatchOnInspectorFrontend,
-                        OnDispatchOnInspectorFrontend)
-    IPC_MESSAGE_UNHANDLED(handled = false);
-  IPC_END_MESSAGE_MAP()
-
-  return handled;
-}
-
 void DevToolsClient::sendMessageToBackend(const WebString& message)  {
   Send(new DevToolsAgentMsg_DispatchOnInspectorBackend(routing_id(),
                                                        message.utf8()));
@@ -63,9 +50,4 @@ bool DevToolsClient::isUnderTest() {
   return RenderThreadImpl::current()->layout_test_mode();
 }
 
-void DevToolsClient::OnDispatchOnInspectorFrontend(const std::string& message) {
-  web_tools_frontend_->dispatchOnInspectorFrontend(
-      WebString::fromUTF8(message));
-}
-
 }  // namespace content