DevTools: allow embedder handling remote debugger commands.

content/browser/devtools/render_view_devtools_agent_host.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/devtools/render_view_devtools_agent_host.h"
 
 #include "base/basictypes.h"
 #include "base/lazy_instance.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/devtools/devtools_manager_impl.h"
 #include "content/browser/devtools/devtools_power_handler.h"
 #include "content/browser/devtools/devtools_protocol.h"
 #include "content/browser/devtools/devtools_protocol_constants.h"
 #include "content/browser/devtools/devtools_tracing_handler.h"
 #include "content/browser/devtools/renderer_overrides_handler.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/common/devtools_messages.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/content_browser_client.h"
+#include "content/public/browser/devtools_manager_delegate.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_widget_host_iterator.h"
 
 #if defined(OS_ANDROID)
 #include "content/browser/power_save_blocker_impl.h"
 #include "content/public/browser/render_widget_host_view.h"
 #endif
 
 namespace content {
@@ skipping 145 matching lines @@
   AddRef();  // Balanced in RenderViewHostDestroyed.
 }
 
 RenderViewHost* RenderViewDevToolsAgentHost::GetRenderViewHost() {
   return render_view_host_;
 }
 
 void RenderViewDevToolsAgentHost::DispatchOnInspectorBackend(
     const std::string& message) {
   std::string error_message;
+
+  scoped_ptr<base::DictionaryValue> message_dict(
+      DevToolsProtocol::ParseMessage(message, &error_message));
   scoped_refptr<DevToolsProtocol::Command> command =
-      DevToolsProtocol::ParseCommand(message, &error_message);
+      DevToolsProtocol::ParseCommand(message_dict.get(), &error_message);
 
   if (command) {
-    scoped_refptr<DevToolsProtocol::Response> overridden_response =
-        overrides_handler_->HandleCommand(command);
+    scoped_refptr<DevToolsProtocol::Response> overridden_response;
+
+    DevToolsManagerDelegate* delegate =
+        DevToolsManagerImpl::GetInstance()->delegate();
+    if (delegate) {
+      scoped_ptr<base::DictionaryValue> overridden_response_value(
+          delegate->HandleCommand(this, message_dict.get()));
+      if (overridden_response_value)
+        overridden_response = DevToolsProtocol::ParseResponse(
+            overridden_response_value.get());
+    }
+    if (!overridden_response)
+      overridden_response = overrides_handler_->HandleCommand(command);
     if (!overridden_response)
       overridden_response = tracing_handler_->HandleCommand(command);
     if (!overridden_response)
       overridden_response = power_handler_->HandleCommand(command);
     if (overridden_response) {
       if (!overridden_response->is_async_promise())
         OnDispatchOnInspectorFrontend(overridden_response->Serialize());
       return;
     }
   }
@@ skipping 229 matching lines @@
 
 void RenderViewDevToolsAgentHost::OnDispatchOnInspectorFrontend(
     const std::string& message) {
   if (!render_view_host_)
     return;
   DevToolsManagerImpl::GetInstance()->DispatchOnInspectorFrontend(
       this, message);
 }
 
 }  // namespace content