gpu: Remove release-after-use workaround.

gpu/command_buffer/service/texture_definition.cc

Index: gpu/command_buffer/service/texture_definition.cc
diff --git a/gpu/command_buffer/service/texture_definition.cc b/gpu/command_buffer/service/texture_definition.cc
index 08af4aacb0253b2ec3f1a23dff4730c840d7e237..393dda04b3edab95d534c8e02032a9b7ed611f0b 100644
--- a/gpu/command_buffer/service/texture_definition.cc
+++ b/gpu/command_buffer/service/texture_definition.cc
@@ -44,7 +44,6 @@ class GLImageSync : public gfx::GLImage {
                                     gfx::OverlayTransform transform,
                                     const gfx::Rect& bounds_rect,
                                     const gfx::RectF& crop_rect) OVERRIDE;
-  virtual void SetReleaseAfterUse() OVERRIDE;
 
  protected:
   virtual ~GLImageSync();
@@ -117,10 +116,6 @@ bool GLImageSync::ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
   return false;
 }
 
-void GLImageSync::SetReleaseAfterUse() {
-  NOTREACHED();
-}
-
 #if !defined(OS_MACOSX)
 class NativeImageBufferEGL : public NativeImageBuffer {
  public: