Moving app_view to extensions.

extensions/browser/api/extensions_api_client.h

Index: extensions/browser/api/extensions_api_client.h
diff --git a/extensions/browser/api/extensions_api_client.h b/extensions/browser/api/extensions_api_client.h
index a13b8fe32adadaa55d197a9f22975664a7b6a523..93fae579b7c6b75d206283715654266a3627d0e6 100644
--- a/extensions/browser/api/extensions_api_client.h
+++ b/extensions/browser/api/extensions_api_client.h
@@ -25,6 +25,7 @@ class HidService;
 
 namespace extensions {
 
+class AppViewGuestDelegate;
 class SettingsObserver;
 class SettingsStorageFactory;
 class ValueStoreCache;
@@ -68,6 +69,9 @@ class ExtensionsAPIClient {
       int guest_instance_id,
       const std::string& guest_extension_id);
 
+  // Creates the AppViewGuestDelegate.
+  virtual AppViewGuestDelegate* CreateAppViewGuestDelegate() const;

[Yoyo Zhou, 2014/08/19 21:55:08]

This could be simpler if it returned NULL and the Delegate interface was pure
virtual. (Document that that is possible.)

+
   // Returns the HidService instance for this embedder.
   virtual device::HidService* GetHidService();