Convert Chrome PPAPI proxy from bool to PP_Bool.

ppapi/proxy/ppb_graphics_2d_proxy.h

 // Copyright (c) 2010 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 PPAPI_PPB_GRAPHICS_2D_PROXY_H_
 #define PPAPI_PPB_GRAPHICS_2D_PROXY_H_
 
+#include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_module.h"
 #include "ppapi/c/pp_module.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_size.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/proxy/interface_proxy.h"
 
 struct PPB_Graphics2D;
 struct PP_Point;
@@ skipping 13 matching lines @@
 
   // InterfaceProxy implementation.
   virtual const void* GetSourceInterface() const;
   virtual InterfaceID GetInterfaceId() const;
   virtual void OnMessageReceived(const IPC::Message& msg);
 
  private:
   // Message handlers.
   void OnMsgCreate(PP_Module module,
                    const PP_Size& size,
-                   bool is_always_opaque,
+                   PP_Bool is_always_opaque,
                    PP_Resource* result);
   void OnMsgPaintImageData(PP_Resource graphics_2d,
                            PP_Resource image_data,
                            const PP_Point& top_left,
                            bool src_rect_specified,
                            const PP_Rect& src_rect);
   void OnMsgScroll(PP_Resource graphics_2d,
                    bool clip_specified,
                    const PP_Rect& clip,
                    const PP_Point& amount);
   void OnMsgReplaceContents(PP_Resource graphics_2d,
                             PP_Resource image_data);
   void OnMsgFlush(PP_Resource graphics_2d,
                   uint32_t serialized_callback,
                   int32_t* result);
 };
 
 }  // namespace proxy
 }  // namespace pp
 
 #endif  // PPAPI_PPB_GRAPHICS_2D_PROXY_H_