Remove unused CanvasSkia::GetTextureID() functions.

ui/gfx/canvas_skia.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 UI_GFX_CANVAS_SKIA_H_
 #define UI_GFX_CANVAS_SKIA_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 153 matching lines @@
 #endif
   virtual void DrawFocusRect(const gfx::Rect& rect) OVERRIDE;
   virtual void TileImageInt(const SkBitmap& bitmap,
                             int x, int y, int w, int h) OVERRIDE;
   virtual void TileImageInt(const SkBitmap& bitmap,
                             int src_x, int src_y,
                             int dest_x, int dest_y, int w, int h) OVERRIDE;
   virtual gfx::NativeDrawingContext BeginPlatformPaint() OVERRIDE;
   virtual void EndPlatformPaint() OVERRIDE;
   virtual void Transform(const ui::Transform& transform) OVERRIDE;
-  virtual ui::TextureID GetTextureID() OVERRIDE;
   virtual CanvasSkia* AsCanvasSkia() OVERRIDE;
   virtual const CanvasSkia* AsCanvasSkia() const OVERRIDE;
   virtual SkCanvas* GetSkCanvas() OVERRIDE;
   virtual const SkCanvas* GetSkCanvas() const OVERRIDE;
 
   SkCanvas* sk_canvas() const { return canvas_; }
   skia::PlatformCanvas* platform_canvas() const { return owned_canvas_.get(); }
 
  private:
   // Test whether the provided rectangle intersects the current clip rect.
@@ skipping 12 matching lines @@
 
   scoped_ptr<skia::PlatformCanvas> owned_canvas_;
   SkCanvas* canvas_;
 
   DISALLOW_COPY_AND_ASSIGN(CanvasSkia);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_CANVAS_SKIA_H_