Convert most remaining resources to use the API/thunk system. The significant

webkit/plugins/ppapi/ppb_font_impl.cc

 // Copyright (c) 2011 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 "webkit/plugins/ppapi/ppb_font_impl.h"
 
 #include "ppapi/c/dev/ppb_font_dev.h"
 #include "ppapi/shared_impl/ppapi_preferences.h"
+#include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/thunk.h"
 #include "webkit/plugins/ppapi/common.h"
 #include "webkit/plugins/ppapi/plugin_module.h"
 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 #include "webkit/plugins/ppapi/ppb_image_data_impl.h"
 #include "webkit/plugins/ppapi/string.h"
 #include "webkit/plugins/ppapi/var.h"
 
-using ::ppapi::WebKitForwarding;
+using ppapi::thunk::EnterResource;
+using ppapi::thunk::PPB_ImageData_API;
+using ppapi::WebKitForwarding;
 
 namespace webkit {
 namespace ppapi {
 
 namespace {
 
 // Converts the given PP_TextRun to a TextRun, returning true on success.
 // False means the input was invalid.
 bool PPTextRunToTextRun(const PP_TextRun_Dev* run,
                         WebKitForwarding::Font::TextRun* output) {
@@ skipping 21 matching lines @@
   font_forwarding_.reset(result);
 }
 
 PPB_Font_Impl::~PPB_Font_Impl() {
 }
 
 ::ppapi::thunk::PPB_Font_API* PPB_Font_Impl::AsPPB_Font_API() {
   return this;
 }
 
-PPB_Font_Impl* PPB_Font_Impl::AsPPB_Font_Impl() {
-  return this;
-}
-
 PP_Bool PPB_Font_Impl::Describe(PP_FontDescription_Dev* description,
                                 PP_FontMetrics_Dev* metrics) {
   std::string face;
   PP_Bool result = PP_FALSE;
   font_forwarding_->Describe(NULL, description, &face, metrics, &result);
   if (!result)
     return PP_FALSE;
 
   // Convert the string.
   description->face = StringVar::StringToPPVar(instance()->module(), face);
   return PP_TRUE;
 }
 
 PP_Bool PPB_Font_Impl::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) {
   // Get and map the image data we're painting to.
-  scoped_refptr<PPB_ImageData_Impl> image_resource(
-      Resource::GetAs<PPB_ImageData_Impl>(image_data));
-  if (!image_resource.get())
+  EnterResource<PPB_ImageData_API> enter(image_data, true);
+  if (enter.failed())
     return PP_FALSE;
+  PPB_ImageData_Impl* image_resource =
+      static_cast<PPB_ImageData_Impl*>(enter.object());
+
   ImageDataAutoMapper mapper(image_resource);
   if (!mapper.is_valid())
     return PP_FALSE;
 
   WebKitForwarding::Font::TextRun run;
   if (!PPTextRunToTextRun(text, &run))
     return PP_FALSE;
 
   font_forwarding_->DrawTextAt(NULL, WebKitForwarding::Font::DrawTextParams(
       image_resource->mapped_canvas(), run, position,
@@ skipping 42 matching lines @@
   return this;
 }
 
 PP_Var PPB_Font_FunctionImpl::GetFontFamilies(PP_Instance instance) {
   return PP_MakeUndefined();
 }
 
 }  // namespace ppapi
 }  // namespace webkit