Split most extensions bits in ChromeRenderMessageFilter into ChromeExtensionMessageFilter.

chrome/browser/renderer_host/chrome_extension_message_filter.h

Index: chrome/browser/renderer_host/chrome_extension_message_filter.h
diff --git a/chrome/browser/renderer_host/chrome_extension_message_filter.h b/chrome/browser/renderer_host/chrome_extension_message_filter.h
new file mode 100644
index 0000000000000000000000000000000000000000..bda285d4b111b7658f158d70d9990cdec61908da
--- /dev/null
+++ b/chrome/browser/renderer_host/chrome_extension_message_filter.h
@@ -0,0 +1,107 @@
+// Copyright 2014 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_BROWSER_RENDERER_HOST_CHROME_EXTENSION_MESSAGE_FILTER_H_
+#define CHROME_BROWSER_RENDERER_HOST_CHROME_EXTENSION_MESSAGE_FILTER_H_
+
+#include <string>
+
+#include "base/sequenced_task_runner_helpers.h"
+#include "content/public/browser/browser_message_filter.h"
+
+class ExtensionHostMsg_APIActionOrEvent_Params;
+class ExtensionHostMsg_DOMAction_Params;
+class ExtensionMsg_ExternalConnectionInfo;
+class Profile;
+
+namespace base {
+class FilePath;
+}
+
+namespace extensions {
+class InfoMap;
+}
+
+// This class filters out incoming Chrome-specific IPC messages for the

[James Cook, 2014/06/03 16:07:15]

nit: for -> from

[Lei Zhang, 2014/06/03 19:46:30]

Done.

+// extension process on the IPC thread.
+class ChromeExtensionMessageFilter : public content::BrowserMessageFilter {
+ public:
+  ChromeExtensionMessageFilter(int render_process_id, Profile* profile);
+
+  // content::BrowserMessageFilter methods:
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+  virtual void OverrideThreadForMessage(
+      const IPC::Message& message,
+      content::BrowserThread::ID* thread) OVERRIDE;
+
+ private:
+  friend class content::BrowserThread;
+  friend class base::DeleteHelper<ChromeExtensionMessageFilter>;
+
+  virtual ~ChromeExtensionMessageFilter();
+
+  // TODO(jamescook): Move these functions into the extensions module. Ideally
+  // this would be in extensions::ExtensionMessageFilter but that will require
+  // resolving the MessageService and ActivityLog dependencies on src/chrome.
+  // http://crbug.com/339637
+  void OnOpenChannelToExtension(int routing_id,
+                                const ExtensionMsg_ExternalConnectionInfo& info,
+                                const std::string& channel_name,
+                                bool include_tls_channel_id,
+                                int* port_id);
+  void OpenChannelToExtensionOnUIThread(
+      int source_process_id,
+      int source_routing_id,
+      int receiver_port_id,
+      const ExtensionMsg_ExternalConnectionInfo& info,
+      const std::string& channel_name,
+      bool include_tls_channel_id);
+  void OnOpenChannelToNativeApp(int routing_id,
+                                const std::string& source_extension_id,
+                                const std::string& native_app_name,
+                                int* port_id);
+  void OpenChannelToNativeAppOnUIThread(int source_routing_id,
+                                        int receiver_port_id,
+                                        const std::string& source_extension_id,
+                                        const std::string& native_app_name);
+  void OnOpenChannelToTab(int routing_id, int tab_id,
+                          const std::string& extension_id,
+                          const std::string& channel_name, int* port_id);
+  void OpenChannelToTabOnUIThread(int source_process_id, int source_routing_id,
+                                  int receiver_port_id,
+                                  int tab_id, const std::string& extension_id,
+                                  const std::string& channel_name);
+  void OnGetExtMessageBundle(const std::string& extension_id,
+                             IPC::Message* reply_msg);
+  void OnGetExtMessageBundleOnBlockingPool(
+      const base::FilePath& extension_path,
+      const std::string& extension_id,
+      const std::string& default_locale,
+      IPC::Message* reply_msg);
+  void OnExtensionCloseChannel(int port_id, const std::string& error_message);
+  void OnAddAPIActionToExtensionActivityLog(
+      const std::string& extension_id,
+      const ExtensionHostMsg_APIActionOrEvent_Params& params);
+  void OnAddBlockedCallToExtensionActivityLog(
+      const std::string& extension_id,
+      const std::string& function_name);
+  void OnAddDOMActionToExtensionActivityLog(
+      const std::string& extension_id,
+      const ExtensionHostMsg_DOMAction_Params& params);
+  void OnAddEventToExtensionActivityLog(
+      const std::string& extension_id,
+      const ExtensionHostMsg_APIActionOrEvent_Params& params);
+
+  const int render_process_id_;
+
+  // The Profile associated with our renderer process.  This should only be
+  // accessed on the UI thread!
+  Profile* profile_;
+
+  scoped_refptr<extensions::InfoMap> extension_info_map_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeExtensionMessageFilter);
+};
+
+#endif  // CHROME_BROWSER_RENDERER_HOST_CHROME_EXTENSION_MESSAGE_FILTER_H_