Move HiDPI-related Pepper interfaces to stable

ppapi/cpp/graphics_2d.cc

 // 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.
 
 #include "ppapi/cpp/graphics_2d.h"
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_graphics_2d.h"
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/cpp/image_data.h"
 #include "ppapi/cpp/instance_handle.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/module_impl.h"
 #include "ppapi/cpp/point.h"
 #include "ppapi/cpp/rect.h"
 
 namespace pp {
 
 namespace {
 
 template <> const char* interface_name<PPB_Graphics2D_1_0>() {
   return PPB_GRAPHICS_2D_INTERFACE_1_0;
 }
 
+template <> const char* interface_name<PPB_Graphics2D_1_1>() {
+  return PPB_GRAPHICS_2D_INTERFACE_1_1;
+}
+
 }  // namespace
 
 Graphics2D::Graphics2D() : Resource() {
 }
 
 Graphics2D::Graphics2D(const Graphics2D& other)
     : Resource(other),
       size_(other.size_) {
 }
 
@@ skipping 62 matching lines @@
   *image = ImageData();
 }
 
 int32_t Graphics2D::Flush(const CompletionCallback& cc) {
   if (!has_interface<PPB_Graphics2D_1_0>())
     return cc.MayForce(PP_ERROR_NOINTERFACE);
   return get_interface<PPB_Graphics2D_1_0>()->Flush(
       pp_resource(), cc.pp_completion_callback());
 }
 
+// static
+bool Graphics2D::SupportsScale() {
+  return has_interface<PPB_Graphics2D_1_1>();
+}
+
+bool Graphics2D::SetScale(float scale) {
+  if (!has_interface<PPB_Graphics2D_1_1>())
+    return false;
+  return PP_ToBool(get_interface<PPB_Graphics2D_1_1>()->SetScale(pp_resource(),
+                                                                 scale));
+}
+
+float Graphics2D::GetScale() {
+  if (!has_interface<PPB_Graphics2D_1_1>())
+    return 1.0f;
+  return get_interface<PPB_Graphics2D_1_1>()->GetScale(pp_resource());
+}
+
 }  // namespace pp