[PPAPI] Add browser tests for compositor API

content/renderer/pepper/pepper_plugin_instance_impl.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 CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_
 
 #include <list>
 #include <set>
 #include <string>
@@ skipping 617 matching lines @@
   bool GetPreferredPrintOutputFormat(PP_PrintOutputFormat_Dev* format);
   bool PrintPDFOutput(PP_Resource print_output, blink::WebCanvas* canvas);
 
   // Updates the layer for compositing. This creates a layer and attaches to the
   // container if:
   // - we have a bound Graphics3D and the Graphics3D has a texture, OR
   //   we have a bound Graphics2D and are using software compositing
   // - we are not in Flash full-screen mode (or transitioning to it)
   // Otherwise it destroys the layer.
   // It does either operation lazily.
-  void UpdateLayer();
+  // device_changed: true if the bound device has been changed, and
+  // UpdateLayer() will be forced to recreate the layer and attaches to the
+  // container.
+  void UpdateLayer(bool device_changed);
 
   // Internal helper function for PrintPage().
   bool PrintPageHelper(PP_PrintPageNumberRange_Dev* page_ranges,
                        int num_ranges,
                        blink::WebCanvas* canvas);
 
   void DoSetCursor(blink::WebCursorInfo* cursor);
 
   // Internal helper functions for HandleCompositionXXX().
   bool SendCompositionEventToPlugin(PP_InputEvent_Type type,
@@ skipping 255 matching lines @@
   base::WeakPtrFactory<PepperPluginInstanceImpl> view_change_weak_ptr_factory_;
   base::WeakPtrFactory<PepperPluginInstanceImpl> weak_factory_;
 
   friend class PpapiPluginInstanceTest;
   DISALLOW_COPY_AND_ASSIGN(PepperPluginInstanceImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_