Move gamepad reader code out of PepperHelperImpl in the effort to eliminate PepperHelperImpl. I'm a…

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 518 matching lines @@
     std::list<std::string> data_;
     bool finished_loading_;
     scoped_ptr<WebKit::WebURLError> error_;
   };
 
   // Implements PPB_Gamepad_API. This is just to avoid having an excessive
   // number of interfaces implemented by PepperPluginInstanceImpl.
   class GamepadImpl : public ::ppapi::thunk::PPB_Gamepad_API,
                       public ::ppapi::Resource {
    public:
-    explicit GamepadImpl(PepperHelperImpl* helper);
+    GamepadImpl();
     // Resource implementation.
     virtual ::ppapi::thunk::PPB_Gamepad_API* AsPPB_Gamepad_API() OVERRIDE;
     virtual void Sample(PP_Instance instance,
                         PP_GamepadsSampleData* data) OVERRIDE;
    private:
     virtual ~GamepadImpl();
-    PepperHelperImpl* helper_;
   };
 
   // See the static Create functions above for creating PepperPluginInstanceImpl
   // objects. This constructor is private so that we can hide the
   // PPP_Instance_Combined details while still having 1 constructor to maintain
   // for member initialization.
   PepperPluginInstanceImpl(PepperHelperImpl* helper,
                            RenderViewImpl* render_view,
                            PluginModule* module,
                            ::ppapi::PPP_Instance_Combined* instance_interface,
@@ skipping 298 matching lines @@
 
   scoped_ptr<MouseLockDispatcher::LockTarget> lock_target_;
 
   friend class PpapiPluginInstanceTest;
   DISALLOW_COPY_AND_ASSIGN(PepperPluginInstanceImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_