[DevTools] Force context creation when runtime is enabled.

content/renderer/devtools/devtools_agent.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/renderer/devtools/devtools_agent.h"
 
 #include <stddef.h>
 
 #include <map>
 
@@ skipping 89 matching lines @@
 }
 
 void DevToolsAgent::WidgetWillClose() {
   ContinueProgram();
 }
 
 void DevToolsAgent::sendProtocolMessage(int session_id,
                                         int call_id,
                                         const blink::WebString& message,
                                         const blink::WebString& state_cookie) {
+  if (!send_protocol_message_callback_for_test_.is_null()) {
+    send_protocol_message_callback_for_test_.Run(
+        session_id, call_id, message.utf8(), state_cookie.utf8());
+    return;
+  }
   SendChunkedProtocolMessage(this, routing_id(), session_id, call_id,
                              message.utf8(), state_cookie.utf8());
 }
 
 blink::WebDevToolsAgentClient::WebKitClientMessageLoop*
     DevToolsAgent::createClientMessageLoop() {
   return new WebKitClientMessageLoopImpl();
 }
 
 void DevToolsAgent::willEnterDebugLoop() {
@@ skipping 159 matching lines @@
 
 WebDevToolsAgent* DevToolsAgent::GetWebAgent() {
   return frame_->GetWebFrame()->devToolsAgent();
 }
 
 bool DevToolsAgent::IsAttached() {
   return is_attached_;
 }
 
 }  // namespace content