remove/deprecate SkBitmap::getTexture, as it now always returns false

src/gpu/GrImageIDTextureAdjuster.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrImageIDTextureAdjuster_DEFINED
 #define GrImageIDTextureAdjuster_DEFINED
 
 #include "GrTextureParamsAdjuster.h"
 #include "SkImage.h"
 
 class SkBitmap;
 class SkImage_Base;
 class SkImageCacherator;
 
-/** Implementation for texture-backed SkBitmaps. The bitmap must stay in scope and unmodified
-    while this object exists. */
-class GrBitmapTextureAdjuster : public GrTextureAdjuster {
-public:
-    explicit GrBitmapTextureAdjuster(const SkBitmap* bmp);
-
-protected:
-    SkColorSpace* getColorSpace() override;
-
-private:
-    void makeCopyKey(const CopyParams& params, GrUniqueKey* copyKey) override;
-
-    void didCacheCopy(const GrUniqueKey& copyKey) override;
-
-    const SkBitmap* fBmp;
-
-    typedef GrTextureAdjuster INHERITED;
-};
-
 /** Implementation for texture-backed SkImages. The image must stay in scope and unmodified while
     this object exists. */
 class GrImageTextureAdjuster : public GrTextureAdjuster {
 public:
     explicit GrImageTextureAdjuster(const SkImage_Base* img);
 
 protected:
     SkColorSpace* getColorSpace() override;
 
 private:
@@ skipping 50 matching lines @@
 private:
     SkImageCacherator*      fCacher;
     const SkImage*          fClient;
     GrUniqueKey             fOriginalKey;
     SkImage::CachingHint    fCachingHint;
 
     typedef GrTextureMaker INHERITED;
 };
 
 #endif