[Patch 3 of 6] Split out content/child's SiteIsolationPolicy into two new classes.

content/public/renderer/content_renderer_client.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_
 #define CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 255 matching lines @@
   // populating |key_systems|.
   virtual void AddKeySystems(std::vector<media::KeySystemInfo>* key_systems);
 
   // Returns true if we should report a detailed message (including a stack
   // trace) for console [logs|errors|exceptions]. |source| is the WebKit-
   // reported source for the error; this can point to a page or a script,
   // and can be external or internal.
   virtual bool ShouldReportDetailedMessageForSource(
       const base::string16& source) const;
 
-  // Returns true if we should apply the cross-site document blocking policy to
-  // this renderer process. Currently, we apply the policy only to a renderer
-  // process running on a normal page from the web.
-  virtual bool ShouldEnableSiteIsolationPolicy() const;
+  // Returns true if we should gather stats during resource loads as if the
+  // cross-site document blocking policy were enabled. Does not actually block
+  // any pages.
+  virtual bool ShouldGatherSiteIsolationStats() const;
 
   // Creates a permission client proxy for in-renderer worker.
   virtual blink::WebWorkerContentSettingsClientProxy*
       CreateWorkerContentSettingsClientProxy(RenderFrame* render_frame,
                                              blink::WebFrame* frame);
 
   // Returns true if the page at |url| can use Pepper CameraDevice APIs.
   virtual bool IsPluginAllowedToUseCameraDeviceAPI(const GURL& url);
 
   // Returns true if the page at |url| can use Pepper Compositor APIs.
@@ skipping 22 matching lines @@
   // Gives the embedder a chance to add properties to the context menu.
   // Currently only called when the context menu is for an image.
   virtual void AddImageContextMenuProperties(
       const blink::WebURLResponse& response,
       std::map<std::string, std::string>* properties) {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_