GLImage::OnMemoryDump Stubs + Some Impls

ui/gl/gl_image_io_surface.h

Index: ui/gl/gl_image_io_surface.h
diff --git a/ui/gl/gl_image_io_surface.h b/ui/gl/gl_image_io_surface.h
index e513b93d8fd0d85e2ef070e687896a54720560f6..b3b5e73a683ceda405c177858f7271d0a512c1f8 100644
--- a/ui/gl/gl_image_io_surface.h
+++ b/ui/gl/gl_image_io_surface.h
@@ -22,7 +22,9 @@ namespace gfx {
 
 class GL_EXPORT GLImageIOSurface : public GLImage {
  public:
-  GLImageIOSurface(const gfx::Size& size, unsigned internalformat);
+  GLImageIOSurface(gfx::GenericSharedMemoryId io_surface_id,
+                   const gfx::Size& size,
+                   unsigned internalformat);
 
   bool Initialize(IOSurfaceRef io_surface, BufferFormat format);
 
@@ -50,10 +52,15 @@ class GL_EXPORT GLImageIOSurface : public GLImage {
   static void SetLayerForWidget(gfx::AcceleratedWidget widget,
                                 CALayer* layer);
 
+  void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,

[reveman, 2015/08/18 08:32:52]

nit: move below ScheduleOverlayPlane and make sure .cc file matches.

[ericrk, 2015/08/18 09:00:47]

Done.

+                    uint64_t process_tracing_id,
+                    const std::string& dump_name) override;
+
  protected:
   ~GLImageIOSurface() override;
 
  private:
+  gfx::GenericSharedMemoryId io_surface_id_;
   const gfx::Size size_;
   const unsigned internalformat_;
   BufferFormat format_;