Plumb manifest fetching through WebTestDelegate interface

content/shell/renderer/test_runner/web_test_delegate.h

 // Copyright 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_SHELL_RENDERER_TEST_RUNNER_WEB_TEST_DELEGATE_H_
 #define CONTENT_SHELL_RENDERER_TEST_RUNNER_WEB_TEST_DELEGATE_H_
 
 #include <string>
 
+#include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
 #include "third_party/WebKit/public/platform/WebScreenOrientationType.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 
 #define WEBTESTRUNNER_NEW_HISTORY_CAPTURE
 
 namespace blink {
 class WebBatteryStatus;
 class WebDeviceMotionData;
 class WebDeviceOrientationData;
 class WebFrame;
 class WebGamepad;
 class WebGamepads;
 class WebHistoryItem;
 class WebLayer;
+class WebURLResponse;
+class WebView;
 struct WebRect;
 struct WebSize;
 struct WebURLError;
 }
 
 namespace cc {
 class TextureLayer;
 class SharedBitmapManager;
 }
 
@@ skipping 157 matching lines @@
   virtual void LoadURLForFrame(const blink::WebURL& url,
                                const std::string& frame_name) = 0;
 
   // Returns true if resource requests to external URLs should be permitted.
   virtual bool AllowExternalPages() = 0;
 
   // Returns a text dump the back/forward history for the WebView associated
   // with the given WebTestProxyBase.
   virtual std::string DumpHistoryForWindow(WebTestProxyBase* proxy) = 0;
 
+  // Fetch the manifest for a given WebView from the given url.
+  virtual void FetchManifest(
+      blink::WebView* view,
+      const GURL& url,
+      const base::Callback<void(const blink::WebURLResponse& response,
+                                const std::string& data)>& callback) = 0;
+
   // Sends a message to the LayoutTestPermissionManager in order for it to
   // update its database.
   virtual void SetPermission(const std::string& permission_name,
                              const std::string& permission_value,
                              const GURL& origin,
                              const GURL& embedding_origin) = 0;
 
   // Clear all the permissions set via SetPermission().
   virtual void ResetPermissions() = 0;
 
   // Instantiates WebLayerImpl for TestPlugin.
   virtual blink::WebLayer* InstantiateWebLayer(
       scoped_refptr<cc::TextureLayer> layer) = 0;
 
   virtual cc::SharedBitmapManager* GetSharedBitmapManager() = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_WEB_TEST_DELEGATE_H_