3 files changed, 6 insertions, 12 deletions
diff --git a/content/common/gpu/image_transport_surface_mac.cc b/content/common/gpu/image_transport_surface_mac.cc
index 615c7d0..254d747 100644
--- a/content/common/gpu/image_transport_surface_mac.cc
+++ b/content/common/gpu/image_transport_surface_mac.cc
@@ -50,7 +50,7 @@ class IOSurfaceImageTransportSurface
   virtual bool IsOffscreen() OVERRIDE;
   virtual bool SwapBuffers() OVERRIDE;
   virtual bool PostSubBuffer(int x, int y, int width, int height) OVERRIDE;
-  virtual std::string GetExtensions() OVERRIDE;
+  virtual bool SupportsPostSubBuffer() OVERRIDE;
   virtual gfx::Size GetSize() OVERRIDE;
   virtual bool OnMakeCurrent(gfx::GLContext* context) OVERRIDE;
   virtual unsigned int GetBackingFrameBufferObject() OVERRIDE;
@@ -281,11 +281,8 @@ bool IOSurfaceImageTransportSurface::PostSubBuffer(
   return true;
 }
 
-std::string IOSurfaceImageTransportSurface::GetExtensions() {
-  std::string extensions = gfx::GLSurface::GetExtensions();
-  extensions += extensions.empty() ? "" : " ";
-  extensions += "GL_CHROMIUM_post_sub_buffer";
-  return extensions;
+bool IOSurfaceImageTransportSurface::SupportsPostSubBuffer() {
+  return true;
 }
 
 gfx::Size IOSurfaceImageTransportSurface::GetSize() {
diff --git a/content/common/gpu/texture_image_transport_surface.cc b/content/common/gpu/texture_image_transport_surface.cc
index 3de0647..45ce615 100644
--- a/content/common/gpu/texture_image_transport_surface.cc
+++ b/content/common/gpu/texture_image_transport_surface.cc
@@ -268,11 +268,8 @@ bool TextureImageTransportSurface::PostSubBuffer(
   return true;
 }
 
-std::string TextureImageTransportSurface::GetExtensions() {
-  std::string extensions = gfx::GLSurface::GetExtensions();
-  extensions += extensions.empty() ? "" : " ";
-  extensions += "GL_CHROMIUM_post_sub_buffer";
-  return extensions;
+bool TextureImageTransportSurface::SupportsPostSubBuffer() {
+  return true;
 }
 
 gfx::Size TextureImageTransportSurface::GetSize() {
diff --git a/content/common/gpu/texture_image_transport_surface.h b/content/common/gpu/texture_image_transport_surface.h
index a86ff27..95b75a5 100644
--- a/content/common/gpu/texture_image_transport_surface.h
+++ b/content/common/gpu/texture_image_transport_surface.h
@@ -37,7 +37,7 @@ class TextureImageTransportSurface
   virtual gfx::Size GetSize() OVERRIDE;
   virtual void* GetHandle() OVERRIDE;
   virtual unsigned GetFormat() OVERRIDE;
-  virtual std::string GetExtensions() OVERRIDE;
+  virtual bool SupportsPostSubBuffer() OVERRIDE;
   virtual unsigned int GetBackingFrameBufferObject() OVERRIDE;
   virtual bool PostSubBuffer(int x, int y, int width, int height) OVERRIDE;
   virtual bool SetBackbufferAllocation(bool allocated) OVERRIDE;