Remove some unused declarations.

chrome/renderer/chrome_render_thread_observer.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 CHROME_RENDERER_CHROME_RENDER_THREAD_OBSERVER_H_
 #define CHROME_RENDERER_CHROME_RENDER_THREAD_OBSERVER_H_
 
 #include <memory>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/metrics/field_trial.h"
 #include "components/content_settings/core/common/content_settings.h"
 #include "components/variations/child_process_field_trial_syncer.h"
 #include "content/public/renderer/render_thread_observer.h"
 
-class GURL;
-struct ContentSettings;
-
 namespace content {
 class ResourceDispatcherDelegate;
 }
 
 namespace visitedlink {
 class VisitedLinkSlave;
 }
 
 // This class filters the incoming control messages (i.e. ones not destined for
 // a RenderView) for Chrome specific messages that the content layer doesn't
@@ skipping 18 matching lines @@
  private:
   // content::RenderThreadObserver:
   bool OnControlMessageReceived(const IPC::Message& message) override;
   void OnRenderProcessShutdown() override;
 
   // base::FieldTrialList::Observer:
   void OnFieldTrialGroupFinalized(const std::string& trial_name,
                                   const std::string& group_name) override;
 
   void OnSetIsIncognitoProcess(bool is_incognito_process);
-  void OnSetContentSettingsForCurrentURL(

[sky, 2016/12/09 00:22:04]

Something tells me this is from your other patch.

[nigeltao1, 2016/12/09 05:03:08]

It's not. The CQ dry run failures were from something else breaking the build.

-      const GURL& url, const ContentSettings& content_settings);
   void OnSetContentSettingRules(const RendererContentSettingRules& rules);
-  void OnGetCacheResourceStats();
   void OnSetFieldTrialGroup(const std::string& trial_name,
                             const std::string& group_name);
 
   static bool is_incognito_process_;
   std::unique_ptr<content::ResourceDispatcherDelegate> resource_delegate_;
   RendererContentSettingRules content_setting_rules_;
   variations::ChildProcessFieldTrialSyncer field_trial_syncer_;
 
   std::unique_ptr<visitedlink::VisitedLinkSlave> visited_link_slave_;
 
   base::WeakPtrFactory<ChromeRenderThreadObserver> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeRenderThreadObserver);
 };
 
 #endif  // CHROME_RENDERER_CHROME_RENDER_THREAD_OBSERVER_H_