Plugin Power Saver: Make PepperPluginInstanceThrottler interface public.

content/renderer/pepper/pepper_graphics_2d_host.cc

 // 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.
 
 #include "content/renderer/pepper/pepper_graphics_2d_host.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "cc/resources/shared_bitmap.h"
 #include "cc/resources/texture_mailbox.h"
 #include "content/child/child_shared_bitmap_manager.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/renderer_ppapi_host.h"
 #include "content/renderer/pepper/gfx_conversion.h"
 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
-#include "content/renderer/pepper/pepper_plugin_instance_throttler.h"
+#include "content/renderer/pepper/plugin_instance_throttler_impl.h"
 #include "content/renderer/pepper/ppb_image_data_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/pp_rect.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/host/dispatch_host_message.h"
 #include "ppapi/host/host_message_context.h"
 #include "ppapi/host/ppapi_host.h"
 #include "ppapi/proxy/ppapi_messages.h"
@@ skipping 652 matching lines @@
     ScheduleOffscreenFlushAck();
   } else if (no_update_visible && is_plugin_visible &&
              bound_instance_->view_data().is_page_visible) {
     // There's nothing visible to invalidate so just schedule the callback to
     // execute in the next round of the message loop.
     ScheduleOffscreenFlushAck();
   } else {
     need_flush_ack_ = true;
   }
 
-  if (bound_instance_ && bound_instance_->throttler())
+  if (bound_instance_ && bound_instance_->throttler() &&
+      bound_instance_->throttler()->needs_representative_keyframe()) {
     bound_instance_->throttler()->OnImageFlush(image_data_->GetMappedBitmap());
+  }
 
   return PP_OK_COMPLETIONPENDING;
 }
 
 void PepperGraphics2DHost::ExecutePaintImageData(PPB_ImageData_Impl* image,
                                                  int x,
                                                  int y,
                                                  const gfx::Rect& src_rect,
                                                  gfx::Rect* invalidated_rect) {
   // Ensure the source image is mapped to read from it.
@@ skipping 112 matching lines @@
     gfx::Point inverse_scaled_point =
         gfx::ToFlooredPoint(gfx::ScalePoint(*delta, inverse_scale));
     if (original_delta != inverse_scaled_point)
       return false;
   }
 
   return true;
 }
 
 }  // namespace content