Remove ICS support from SurfaceTexture

ui/gl/android/surface_texture.h

Index: ui/gl/android/surface_texture.h
diff --git a/ui/gl/android/surface_texture.h b/ui/gl/android/surface_texture.h
index b22e5c4bc3b024971021bd90e7f8c0d7ae174207..c6ae70490120ccbaf35a807d8ad9a398aa5d4b4c 100644
--- a/ui/gl/android/surface_texture.h
+++ b/ui/gl/android/surface_texture.h
@@ -23,8 +23,6 @@ class GL_EXPORT SurfaceTexture
  public:
   static scoped_refptr<SurfaceTexture> Create(int texture_id);
 
-  static scoped_refptr<SurfaceTexture> CreateSingleBuffered(int texture_id);
-
   // Set the listener callback, which will be invoked on the same thread that
   // is being called from here for registration.
   // Note: Since callbacks come in from Java objects that might outlive objects
@@ -35,13 +33,6 @@ class GL_EXPORT SurfaceTexture
   // Update the texture image to the most recent frame from the image stream.
   void UpdateTexImage();
 
-  // Release the texture content. This is needed only in single buffered mode
-  // to allow the image content producer to take ownership
-  // of the image buffer.
-  // This is *only* supported on SurfaceTexture instantiated via
-  // |CreateSingleBuffered(...)|.
-  void ReleaseTexImage();
-
   // Retrieve the 4x4 texture coordinate transform matrix associated with the
   // texture image set by the most recent call to updateTexImage.
   void GetTransformMatrix(float mtx[16]);
@@ -63,10 +54,6 @@ class GL_EXPORT SurfaceTexture
     return j_surface_texture_;
   }
 
-  // This should only be used to guard the SurfaceTexture instantiated via
-  // |CreateSingleBuffered(...)|
-  static bool IsSingleBufferModeSupported();
-
   static bool RegisterSurfaceTexture(JNIEnv* env);
 
  protected: