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

content/public/renderer/content_renderer_client.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/public/renderer/content_renderer_client.h"
 
 #include "content/public/renderer/media_stream_renderer_factory.h"
 #include "media/base/renderer_factory.h"
 #include "third_party/WebKit/public/platform/modules/app_banner/WebAppBannerClient.h"
 #include "third_party/WebKit/public/web/WebPluginPlaceholder.h"
@@ skipping 170 matching lines @@
 scoped_ptr<MediaStreamRendererFactory>
 ContentRendererClient::CreateMediaStreamRendererFactory() {
   return nullptr;
 }
 
 bool ContentRendererClient::ShouldReportDetailedMessageForSource(
     const base::string16& source) const {
   return false;
 }
 
-bool ContentRendererClient::ShouldEnableSiteIsolationPolicy() const {
+bool ContentRendererClient::ShouldGatherSiteIsolationStats() const {
   return true;
 }
 
 blink::WebWorkerContentSettingsClientProxy*
 ContentRendererClient::CreateWorkerContentSettingsClientProxy(
     RenderFrame* render_frame, blink::WebFrame* frame) {
   return nullptr;
 }
 
 bool ContentRendererClient::IsPluginAllowedToUseCameraDeviceAPI(
@@ skipping 19 matching lines @@
 std::string ContentRendererClient::GetUserAgentOverrideForURL(const GURL& url) {
   return std::string();
 }
 
 scoped_ptr<blink::WebAppBannerClient>
 ContentRendererClient::CreateAppBannerClient(RenderFrame* render_frame) {
   return nullptr;
 }
 
 }  // namespace content