Relanding this with fixes to the mac dbg builder

ppapi/proxy/ppb_font_proxy.h

Index: ppapi/proxy/ppb_font_proxy.h
===================================================================
--- ppapi/proxy/ppb_font_proxy.h	(revision 118405)
+++ ppapi/proxy/ppb_font_proxy.h	(working copy)
@@ -6,12 +6,10 @@
 #define PPAPI_PROXY_PPB_FONT_PROXY_H_
 
 #include "base/callback_forward.h"
-#include "base/synchronization/waitable_event.h"
 #include "ppapi/proxy/interface_proxy.h"
 #include "ppapi/shared_impl/function_group_base.h"
 #include "ppapi/shared_impl/host_resource.h"
 #include "ppapi/shared_impl/resource.h"
-#include "ppapi/shared_impl/webkit_forwarding.h"
 #include "ppapi/thunk/ppb_font_api.h"
 
 namespace ppapi {
@@ -38,54 +36,6 @@
   DISALLOW_COPY_AND_ASSIGN(PPB_Font_Proxy);
 };
 
-class Font : public ppapi::Resource,
-             public ppapi::thunk::PPB_Font_API {
- public:
-  // Note that there isn't a "real" resource in the renderer backing a font,
-  // it lives entirely in the plugin process. So the resource ID in the host
-  // resource should be 0. However, various code assumes the instance in the
-  // host resource is valid (this is how resources are associated with
-  // instances), so that should be set.
-  Font(const ppapi::HostResource& resource, const PP_FontDescription_Dev& desc);
-  virtual ~Font();
-
-  // Resource.
-  virtual ppapi::thunk::PPB_Font_API* AsPPB_Font_API() OVERRIDE;
-
-  // PPB_Font_API implementation.
-  virtual PP_Bool Describe(PP_FontDescription_Dev* description,
-                           PP_FontMetrics_Dev* metrics) OVERRIDE;
-  virtual PP_Bool DrawTextAt(PP_Resource image_data,
-                             const PP_TextRun_Dev* text,
-                             const PP_Point* position,
-                             uint32_t color,
-                             const PP_Rect* clip,
-                             PP_Bool image_data_is_opaque) OVERRIDE;
-  virtual int32_t MeasureText(const PP_TextRun_Dev* text) OVERRIDE;
-  virtual uint32_t CharacterOffsetForPixel(const PP_TextRun_Dev* text,
-                                           int32_t pixel_position) OVERRIDE;
-  virtual int32_t PixelOffsetForCharacter(const PP_TextRun_Dev* text,
-                                          uint32_t char_offset) OVERRIDE;
-
- private:
-  // Posts the given closure to the WebKit thread.
-  // If |blocking| is true, the method waits on |webkit_event_| for the task to
-  // continue.
-  void RunOnWebKitThread(bool blocking, const base::Closure& task);
-
-  static void DeleteFontForwarding(
-      ppapi::WebKitForwarding::Font* font_forwarding);
-
-  base::WaitableEvent webkit_event_;
-
-  // This class owns |font_forwarding_|.
-  // |font_forwarding_| should always be used on the WebKit thread (including
-  // destruction).
-  ppapi::WebKitForwarding::Font* font_forwarding_;
-
-  DISALLOW_COPY_AND_ASSIGN(Font);
-};
-
 }  // namespace proxy
 }  // namespace ppapi