[DevTools] Move DispatchOnDevToolsFrontend to embedder.

We already have a way to send message via ExecuteJavaScript,
no need for another mechanism.

BUG=398046
TBR=jam

Review URL: https://codereview.chromium.org/418243003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@288027 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/devtools/devtools_ui_bindings.cc

@@ -412,8 +412,9 @@ void DevToolsUIBindings::HandleMessageFromDevToolsFrontendToBackend(
 // content::DevToolsClientHost implementation ---------------------------------
 void DevToolsUIBindings::DispatchOnInspectorFrontend(
     const std::string& message) {
-  if (frontend_host_)
-    frontend_host_->DispatchOnDevToolsFrontend(message);
+  base::StringValue message_value(message);
+  CallClientFunction("InspectorFrontendAPI.dispatchMessage",
+                     &message_value, NULL, NULL);
 }
 
 void DevToolsUIBindings::InspectedContentsClosing() {
@@ -804,8 +805,9 @@ void DevToolsUIBindings::CallClientFunction(const std::string& function_name,
       }
     }
   }
-  base::string16 javascript =
-      base::UTF8ToUTF16(function_name + "(" + params + ");");
+
+  base::string16 javascript = base::UTF8ToUTF16(
+      function_name + "(" + params + ");");
   web_contents_->GetMainFrame()->ExecuteJavaScript(javascript);
 }
 

content/browser/devtools/devtools_frontend_host_impl.cc

@@ -30,16 +30,6 @@ DevToolsFrontendHostImpl::DevToolsFrontendHostImpl(
 DevToolsFrontendHostImpl::~DevToolsFrontendHostImpl() {
 }
 
-void DevToolsFrontendHostImpl::DispatchOnDevToolsFrontend(
-    const std::string& message) {
-  if (!web_contents())
-    return;
-  RenderViewHost* target_host = web_contents()->GetRenderViewHost();
-  target_host->Send(new DevToolsClientMsg_DispatchOnInspectorFrontend(
-      target_host->GetRoutingID(),
-      message));
-}
-
 bool DevToolsFrontendHostImpl::OnMessageReceived(
     const IPC::Message& message) {
   bool handled = true;

content/browser/devtools/devtools_frontend_host_impl.h

@@ -17,9 +17,6 @@ class DevToolsFrontendHostImpl : public DevToolsFrontendHost,
                            DevToolsFrontendHost::Delegate* delegate);
   virtual ~DevToolsFrontendHostImpl();
 
-  // DevToolsFrontendHost implementation.
-  virtual void DispatchOnDevToolsFrontend(const std::string& message) OVERRIDE;
-
  private:
   // WebContentsObserver overrides.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;

content/public/browser/devtools_frontend_host.h

@@ -41,11 +41,6 @@ class DevToolsFrontendHost {
       RenderViewHost* frontend_rvh, Delegate* delegate);
 
   CONTENT_EXPORT virtual ~DevToolsFrontendHost() {}
-
-  // Dispatches message from embedder/backend to frontend.
-  // TODO(dgozman): remove and make embedder to take care of this.
-  CONTENT_EXPORT virtual void DispatchOnDevToolsFrontend(
-      const std::string& message) = 0;
 };
 
 }  // namespace content

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

content/renderer/devtools/devtools_client.h

@@ -35,9 +35,6 @@ class CONTENT_EXPORT DevToolsClient
   virtual ~DevToolsClient();
 
  private:
-  // RenderView::Observer implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
-
   // WebDevToolsFrontendClient implementation.
   virtual void sendMessageToBackend(const blink::WebString&) OVERRIDE;
   virtual void sendMessageToEmbedder(const blink::WebString&) OVERRIDE;

content/shell/browser/shell_devtools_frontend.cc

@@ -179,8 +179,9 @@ void ShellDevToolsFrontend::HandleMessageFromDevToolsFrontendToBackend(
 
 void ShellDevToolsFrontend::DispatchOnInspectorFrontend(
     const std::string& message) {
-  if (frontend_host_)
-    frontend_host_->DispatchOnDevToolsFrontend(message);
+  std::string code = "InspectorFrontendAPI.dispatchMessage(" + message + ");";
+  base::string16 javascript = base::UTF8ToUTF16(code);
+  web_contents()->GetMainFrame()->ExecuteJavaScript(javascript);
 }
 
 void ShellDevToolsFrontend::InspectedContentsClosing() {