Change return type of the printPage (Part#5)

content/renderer/pepper/pepper_webplugin_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_WEBPLUGIN_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_WEBPLUGIN_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 65 matching lines @@
       blink::WebPrintPresetOptions* preset_options);
   virtual bool startFind(const blink::WebString& search_text,
                          bool case_sensitive,
                          int identifier);
   virtual void selectFindResult(bool forward);
   virtual void stopFind();
   virtual bool supportsPaginatedPrint() override;
   virtual bool isPrintScalingDisabled() override;
 
   virtual int printBegin(const blink::WebPrintParams& print_params) override;
-  void printPage(int page_number, blink::WebCanvas* canvas,
-                 bool unused) override;
+  void printPage(int page_number, blink::WebCanvas* canvas) override;
   virtual void printEnd() override;
 
   virtual bool canRotateView() override;
   virtual void rotateView(RotationType type) override;
   virtual bool isPlaceholder() override;
 
  private:
   friend class base::DeleteHelper<PepperWebPluginImpl>;
 
   virtual ~PepperWebPluginImpl();
   struct InitData;
 
   scoped_ptr<InitData> init_data_;  // Cleared upon successful initialization.
   // True if the instance represents the entire document in a frame instead of
   // being an embedded resource.
   bool full_frame_;
   scoped_ptr<PluginInstanceThrottlerImpl> throttler_;
   scoped_refptr<PepperPluginInstanceImpl> instance_;
   gfx::Rect plugin_rect_;
   PP_Var instance_object_;
   blink::WebPluginContainer* container_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperWebPluginImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_WEBPLUGIN_IMPL_H_