Extensions: Send the tab id to platform apps.

chrome/browser/extensions/api/messaging/message_service.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_BROWSER_EXTENSIONS_API_MESSAGING_MESSAGE_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_API_MESSAGING_MESSAGE_SERVICE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 126 matching lines @@
       int tab_id, const std::string& extension_id,
       const std::string& channel_name);
 
   void OpenChannelToNativeApp(
       int source_process_id,
       int source_routing_id,
       int receiver_port_id,
       const std::string& source_extension_id,
       const std::string& native_app_name);
 
+  // NativeMessageProcessHost::Client
+  virtual void PostMessageFromNativeProcess(
+      int port_id,
+      const std::string& message) OVERRIDE;
+
+  // NativeMessageProcessHost::Client
   // Closes the message channel associated with the given port, and notifies
   // the other side.
   virtual void CloseChannel(int port_id,
                             const std::string& error_message) OVERRIDE;
 
   // Enqueues a message on a pending channel, or sends a message to the given
   // port if the channel isn't pending.
   void PostMessage(int port_id, const Message& message);
 
-  // NativeMessageProcessHost::Client
-  virtual void PostMessageFromNativeProcess(
-      int port_id,
-      const std::string& message) OVERRIDE;
+  bool CanPlatformAppAccessTab(const std::string app_id, int tab_id) const;

[not at google - send to devlin, 2014/01/23 16:41:59]

const std::string&

[Lei Zhang, 2014/01/23 20:53:12]

It sounds like CanPlatformAppAccessTab() isn't needed, so this will just go
away.

 
  private:
   friend class MockMessageService;
   friend class ProfileKeyedAPIFactory<MessageService>;
   struct OpenChannelParams;
 
   // A map of channel ID to its channel object.
   typedef std::map<int, MessageChannel*> MessageChannelMap;
 
   typedef std::pair<int, Message> PendingMessage;
   typedef std::vector<PendingMessage> PendingMessagesQueue;
   // A set of channel IDs waiting for TLS channel IDs to complete opening,
   // and any pending messages queued to be sent on those channels.
   typedef std::map<int, PendingMessagesQueue> PendingTlsChannelIdMap;
 
   // A map of channel ID to information about the extension that is waiting
   // for that channel to open. Used for lazy background pages.
   typedef std::string ExtensionID;
   typedef std::pair<Profile*, ExtensionID> PendingLazyBackgroundPageChannel;
   typedef std::map<int, PendingLazyBackgroundPageChannel>
       PendingLazyBackgroundPageChannelMap;
 
+  // A map of channel ID to (target platform app id, tab id).
+  typedef std::map<int, std::pair<std::string, int> >
+      PendingDispatchesToPlatformAppsMap;
+
   // Common among OpenChannel* variants.
   bool OpenChannelImpl(scoped_ptr<OpenChannelParams> params);
 
   void CloseChannelImpl(MessageChannelMap::iterator channel_iter,
                         int port_id,
                         const std::string& error_message,
                         bool notify_other_port);
 
   // Have MessageService take ownership of |channel|, and remove any pending
   // channels with the same id.
@@ skipping 63 matching lines @@
   }
   static const bool kServiceRedirectedInIncognito = true;
   static const bool kServiceIsCreatedWithBrowserContext = false;
   static const bool kServiceIsNULLWhileTesting = true;
 
   content::NotificationRegistrar registrar_;
   MessageChannelMap channels_;
   PendingTlsChannelIdMap pending_tls_channel_id_channels_;
   PendingLazyBackgroundPageChannelMap pending_lazy_background_page_channels_;
   MessagePropertyProvider property_provider_;
+  PendingDispatchesToPlatformAppsMap pending_dispatches_to_platform_apps_;
 
   // Weak pointer. Guaranteed to outlive this class.
   LazyBackgroundTaskQueue* lazy_background_task_queue_;
 
   base::WeakPtrFactory<MessageService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageService);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_MESSAGING_MESSAGE_SERVICE_H_