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 db6e8517e1ef2fefad23a8a54c11fbc50041bcd5..d1f9c619dd4ef1f6d30a10b70e6a7fa48b379e51 100644
--- a/chromeos/display/output_configurator.h
+++ b/chromeos/display/output_configurator.h
@@ -378,6 +378,9 @@ class CHROMEOS_EXPORT OutputConfigurator
       const base::NativeEvent& event) OVERRIDE;
   virtual void DidProcessEvent(const base::NativeEvent& event) OVERRIDE;
 
+  // Called when a screen sharing session is started or stopped.
+  void OnScreenSharingChanged(bool started);
+
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
@@ -502,6 +505,9 @@ 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_;
@@ -550,6 +556,9 @@ class CHROMEOS_EXPORT OutputConfigurator
   // Output protection requests of each client.
   ProtectionRequests client_protection_requests_;
 
+  // Number of outstanding screen sharing sessions.
+  int screen_sharing_count_;
+
   DISALLOW_COPY_AND_ASSIGN(OutputConfigurator);
 };