Add the ability for DevTools to wrap network transactions.

content/browser/devtools/renderer_overrides_handler.h

 // Copyright (c) 2013 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.
 
 #ifndef CONTENT_BROWSER_DEVTOOLS_RENDERER_OVERRIDES_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_RENDERER_OVERRIDES_HANDLER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted_memory.h"
@@ skipping 28 matching lines @@
   void OnSwapCompositorFrame(const cc::CompositorFrameMetadata& frame_metadata);
   void OnVisibilityChanged(bool visible);
 
  private:
   void InnerSwapCompositorFrame();
   void ParseCaptureParameters(DevToolsProtocol::Command* command,
                               std::string* format, int* quality,
                               double* scale);
   base::DictionaryValue* CreateScreenshotResponse(
       const std::vector<unsigned char>& png_data);
+  void UpdateNetworkState(bool offline);
 
   // DOM domain.
   scoped_refptr<DevToolsProtocol::Response>
       GrantPermissionsForSetFileInputFiles(
           scoped_refptr<DevToolsProtocol::Command> command);
 
   // Network domain.
   scoped_refptr<DevToolsProtocol::Response> ClearBrowserCache(
       scoped_refptr<DevToolsProtocol::Command> command);
   scoped_refptr<DevToolsProtocol::Response> ClearBrowserCookies(
       scoped_refptr<DevToolsProtocol::Command> command);
+  scoped_refptr<DevToolsProtocol::Response> EmulateNetworkConditions(
+      scoped_refptr<DevToolsProtocol::Command> command);
 
   // Page domain.
   scoped_refptr<DevToolsProtocol::Response> PageDisable(
       scoped_refptr<DevToolsProtocol::Command> command);
   scoped_refptr<DevToolsProtocol::Response> PageHandleJavaScriptDialog(
       scoped_refptr<DevToolsProtocol::Command> command);
   scoped_refptr<DevToolsProtocol::Response> PageNavigate(
       scoped_refptr<DevToolsProtocol::Command> command);
   scoped_refptr<DevToolsProtocol::Response> PageReload(
       scoped_refptr<DevToolsProtocol::Command> command);
@@ skipping 40 matching lines @@
   cc::CompositorFrameMetadata last_compositor_frame_metadata_;
   base::TimeTicks last_frame_time_;
   int capture_retry_count_;
   base::WeakPtrFactory<RendererOverridesHandler> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(RendererOverridesHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_RENDERER_OVERRIDES_HANDLER_H_