Added SetLayerTransform to PPAPI

content/renderer/pepper/pepper_graphics_2d_host.h

 // 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.
 
 #ifndef CONTENT_RENDERER_PEPPER_PEPPER_GRAPHICS_2D_HOST_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_GRAPHICS_2D_HOST_H_
 
 #include <stdint.h>
 
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "content/common/content_export.h"
 #include "ppapi/c/ppb_graphics_2d.h"
 #include "ppapi/host/host_message_context.h"
 #include "ppapi/host/resource_host.h"
 #include "third_party/WebKit/public/platform/WebCanvas.h"
 #include "ui/gfx/geometry/point.h"
+#include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace cc {
 class SharedBitmap;
 class SingleReleaseCallback;
 class TextureMailbox;
 }
 
 namespace gfx {
 class Rect;
@@ skipping 48 matching lines @@
       cc::TextureMailbox* mailbox,
       std::unique_ptr<cc::SingleReleaseCallback>* release_callback);
   void AttachedToNewLayer();
 
   // Notifications about the view's progress painting.  See PluginInstance.
   // These messages are used to send Flush callbacks to the plugin.
   void ViewInitiatedPaint();
 
   void SetScale(float scale);
   float GetScale() const;
+  void SetLayerTransform(float scale, const PP_Point& transform);
   bool IsAlwaysOpaque() const;
   PPB_ImageData_Impl* ImageData();
   gfx::Size Size() const;
 
   void ClearCache();
 
  private:
   PepperGraphics2DHost(RendererPpapiHost* host,
                        PP_Instance instance,
                        PP_Resource resource);
@@ skipping 10 matching lines @@
                                   const PP_Rect& src_rect);
   int32_t OnHostMsgScroll(ppapi::host::HostMessageContext* context,
                           bool clip_specified,
                           const PP_Rect& clip,
                           const PP_Point& amount);
   int32_t OnHostMsgReplaceContents(ppapi::host::HostMessageContext* context,
                                    const ppapi::HostResource& image_data);
   int32_t OnHostMsgFlush(ppapi::host::HostMessageContext* context);
   int32_t OnHostMsgSetScale(ppapi::host::HostMessageContext* context,
                             float scale);
+  int32_t OnHostMsgSetLayerTransform(ppapi::host::HostMessageContext* context,
+                                     float Scale,
+                                     const PP_FloatPoint& Transform);
   int32_t OnHostMsgReadImageData(ppapi::host::HostMessageContext* context,
                                  PP_Resource image,
                                  const PP_Point& top_left);
 
   // If |old_image_data| is not NULL, a previous used ImageData object will be
-  // reused.  This is used by ReplaceContents.
+  // reused.  Tis is used by ReplaceContents.

[raymes, 2016/04/20 00:48:54]

nit: This

   int32_t Flush(PP_Resource* old_image_data);
 
   // Called internally to execute the different queued commands. The
   // parameters to these functions will have already been validated. The last
   // rect argument will be filled by each function with the area affected by
   // the update that requires invalidation. If there were no pixels changed,
   // this rect can be untouched.
+  void ExecuteTransform(const float& scale, const gfx::PointF& translate);
   void ExecutePaintImageData(PPB_ImageData_Impl* image,
                              int x,
                              int y,
                              const gfx::Rect& src_rect,
                              gfx::Rect* invalidated_rect);
   void ExecuteScroll(const gfx::Rect& clip,
                      int dx,
                      int dy,
                      gfx::Rect* invalidated_rect);
   void ExecuteReplaceContents(PPB_ImageData_Impl* image,
@@ skipping 67 matching lines @@
   std::unique_ptr<cc::SharedBitmap> cached_bitmap_;
   gfx::Size cached_bitmap_size_;
 
   friend class PepperGraphics2DHostTest;
   DISALLOW_COPY_AND_ASSIGN(PepperGraphics2DHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_GRAPHICS_2D_HOST_H_