Clear RenderThread of any Chrome specific code, and move a bunch of stuff out of RenderView.

chrome/renderer/chrome_render_process_observer.h

+// Copyright (c) 2011 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_PROCESS_OBSERVER_H_
+#define CHROME_RENDERER_CHROME_RENDER_PROCESS_OBSERVER_H_
+#pragma once
+
+#include "base/compiler_specific.h"
+#include "content/renderer/render_process_observer.h"
+
+class GURL;
+struct ContentSettings;
+
+// 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
+// happen.  If a few messages are related, they should probably have their own
+// observer.
+class ChromeRenderProcessObserver : public RenderProcessObserver {
+ public:
+  ChromeRenderProcessObserver();
+  virtual ~ChromeRenderProcessObserver();
+
+  static bool is_incognito_process() { return is_incognito_process_; }
+
+ private:
+  // RenderProcessObserver implementation.
+  virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
+
+  void OnSetIsIncognitoProcess(bool is_incognito_process);
+  void OnSetContentSettingsForCurrentURL(
+      const GURL& url, const ContentSettings& content_settings);
+  void OnSetCacheCapacities(size_t min_dead_capacity,
+                            size_t max_dead_capacity,
+                            size_t capacity);
+  void OnClearCache();
+  void OnGetCacheResourceStats();
+  void OnGetRendererTcmalloc();
+  void OnGetV8HeapStats();
+  void OnPurgeMemory();
+
+  static bool is_incognito_process_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeRenderProcessObserver);
+};
+
+#endif  // CHROME_RENDERER_CHROME_RENDER_PROCESS_OBSERVER_H_