Extensions: Send the tab id to platform apps.

chrome/browser/extensions/api/messaging/message_service.h

Index: chrome/browser/extensions/api/messaging/message_service.h
===================================================================
--- chrome/browser/extensions/api/messaging/message_service.h	(revision 246091)
+++ chrome/browser/extensions/api/messaging/message_service.h	(working copy)
@@ -144,6 +144,12 @@
       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,
@@ -153,10 +159,7 @@
   // 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;
@@ -179,6 +182,10 @@
   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);
 
@@ -262,6 +269,7 @@
   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_;