Clean up Pepper ImageData resource class.

webkit/plugins/ppapi/resource_creation_impl.cc

Index: webkit/plugins/ppapi/resource_creation_impl.cc
diff --git a/webkit/plugins/ppapi/resource_creation_impl.cc b/webkit/plugins/ppapi/resource_creation_impl.cc
index 3a0053b9b99d233ad6580992bf3fb3dc850d944c..ddbfcf70e7a71a436231049a2c625de2e4ec71d7 100644
--- a/webkit/plugins/ppapi/resource_creation_impl.cc
+++ b/webkit/plugins/ppapi/resource_creation_impl.cc
@@ -130,19 +130,14 @@ PP_Resource ResourceCreationImpl::CreateHostResolverPrivate(
   return 0;  // Not supported in-process.
 }
 
-PP_Resource ResourceCreationImpl::CreateImageData(PP_Instance instance,
-                                                  PP_ImageDataFormat format,
-                                                  const PP_Size* size,
-                                                  PP_Bool init_to_zero) {
-  return PPB_ImageData_Impl::CreatePlatform(instance, format, *size,
-                                            init_to_zero);
-}
-
-PP_Resource ResourceCreationImpl::CreateImageDataNaCl(PP_Instance instance,
-                                                      PP_ImageDataFormat format,
-                                                      const PP_Size* size,
-                                                      PP_Bool init_to_zero) {
-  return PPB_ImageData_Impl::CreateNaCl(instance, format, *size, init_to_zero);
+PP_Resource ResourceCreationImpl::CreateImageData(
+    PP_Instance instance,
+    ::ppapi::PPB_ImageData_Shared::ImageDataType type,
+    PP_ImageDataFormat format,
+    const PP_Size* size,
+    PP_Bool init_to_zero) {
+  return PPB_ImageData_Impl::Create(instance, type,
+                                    format, *size, init_to_zero);
 }
 
 PP_Resource ResourceCreationImpl::CreateIMEInputEvent(