Get rid of view_messages.h includes in chrome\renderer.

chrome/renderer/chrome_render_process_observer.cc

 // 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.
 
 #include "chrome/renderer/chrome_render_process_observer.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/native_library.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
 #include "base/threading/platform_thread.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension_localization_peer.h"
 #include "chrome/common/net/net_resource_provider.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/renderer/chrome_content_renderer_client.h"
 #include "chrome/renderer/content_settings_observer.h"
 #include "chrome/renderer/security_filter_peer.h"
-#include "content/common/view_messages.h"
 #include "content/public/common/resource_dispatcher_delegate.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/render_view_visitor.h"
 #include "content/public/renderer/render_view.h"
 #include "crypto/nss_util.h"
 #include "media/base/media.h"
 #include "media/base/media_switches.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_module.h"
 #include "third_party/sqlite/sqlite3.h"
@@ skipping 381 matching lines @@
   if (client_)
     client_->OnPurgeMemory();
 }
 
 void ChromeRenderProcessObserver::ExecutePendingClearCache() {
   if (clear_cache_pending_) {
     clear_cache_pending_ = false;
     WebCache::clear();
   }
 }