Chrome OS: avoid suspending on lid close when casting is active.

chromeos/display/output_configurator.h

Index: chromeos/display/output_configurator.h
diff --git a/chromeos/display/output_configurator.h b/chromeos/display/output_configurator.h
index 7144d2aadae5bed51fefe666f8c44de7bee810c5..0896277a9ffa8cc4bbf775b5b5082c4d5fbb51d7 100644
--- a/chromeos/display/output_configurator.h
+++ b/chromeos/display/output_configurator.h
@@ -379,6 +379,9 @@ class CHROMEOS_EXPORT OutputConfigurator
       const base::NativeEvent& event) OVERRIDE;
   virtual void DidProcessEvent(const base::NativeEvent& event) OVERRIDE;
 
+  // Called when a casting session is started or stopped.
+  void OnCastingStateChanged(bool started);
+
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
@@ -503,6 +506,9 @@ class CHROMEOS_EXPORT OutputConfigurator
   // Applies output protections according to requests.
   bool ApplyProtections(const DisplayProtections& requests);
 
+  // Sends the current projecting state to power manager.
+  void SendProjectingStateToPowerManager();
+
   StateController* state_controller_;
   SoftwareMirroringController* mirroring_controller_;
   scoped_ptr<Delegate> delegate_;
@@ -551,6 +557,9 @@ class CHROMEOS_EXPORT OutputConfigurator
   // Output protection requests of each client.
   ProtectionRequests client_protection_requests_;
 
+  // Number of outstanding casting sessions.
+  int casting_session_count_;
+
   DISALLOW_COPY_AND_ASSIGN(OutputConfigurator);
 };