Plugin Power Saver: Fix Dr. Memory leaks in browser tests.

ppapi/examples/gamepad/gamepad.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 <algorithm>
 #include <cmath>
 #include <stdarg.h>
 #include <stdio.h>
 
 #include "ppapi/c/ppb_gamepad.h"
@@ skipping 51 matching lines @@
     height_ = rect.size().height();
 
     device_context_ = pp::Graphics2D(this, pp::Size(width_, height_), false);
     if (!BindGraphics(device_context_))
       return;
 
     Paint();
   }
 
   void OnFlush(int32_t) {
+    // This plugin continuously paints because it continously samples the
+    // gamepad and paints its updated state.
     Paint();
   }
 
  private:
   void Paint() {
     pp::ImageData image = PaintImage(device_context_.size());
     if (!image.is_null()) {
       device_context_.ReplaceContents(&image);
       device_context_.Flush(
           callback_factory_.NewCallback(&MyInstance::OnFlush));
@@ skipping 56 matching lines @@
 };
 
 namespace pp {
 
 // Factory function for your specialization of the Module object.
 Module* CreateModule() {
   return new MyModule();
 }
 
 }  // namespace pp
-