Remove check for whole image in the cache in SkGpuDevice::shouldTileImage

src/gpu/SkGrPriv.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 SkGrPriv_DEFINED
 #define SkGrPriv_DEFINED
 
@@ skipping 96 matching lines @@
 *  the pixel-config that should be used, and sets outStartOfDataToUpload to the ptr into
 *  the data where the actual raw data starts (skipping any header bytes).
 *
 *  If the compressed data is not supported, this returns kUnknown_GrPixelConfig, and
 *  ignores outStartOfDataToUpload.
 */
 GrPixelConfig GrIsCompressedTextureDataSupported(GrContext* ctx, SkData* data,
                                                  int expectedW, int expectedH,
                                                  const void** outStartOfDataToUpload);
 
-bool GrIsImageInCache(const GrContext* ctx, uint32_t imageID, const SkIRect& subset,
-                      GrTexture* nativeTexture, const GrTextureParams&);
-
 GrTexture* GrCreateTextureForPixels(GrContext*, const GrUniqueKey& optionalKey, GrSurfaceDesc,
                                     SkPixelRef* pixelRefForInvalidationNotificationOrNull,
                                     const void* pixels, size_t rowBytesOrZero);
 
 
 //////////////////////////////////////////////////////////////////////////////
 
 GR_STATIC_ASSERT((int)kZero_GrBlendCoeff == (int)SkXfermode::kZero_Coeff);
 GR_STATIC_ASSERT((int)kOne_GrBlendCoeff == (int)SkXfermode::kOne_Coeff);
 GR_STATIC_ASSERT((int)kSC_GrBlendCoeff == (int)SkXfermode::kSC_Coeff);
 GR_STATIC_ASSERT((int)kISC_GrBlendCoeff == (int)SkXfermode::kISC_Coeff);
 GR_STATIC_ASSERT((int)kDC_GrBlendCoeff == (int)SkXfermode::kDC_Coeff);
 GR_STATIC_ASSERT((int)kIDC_GrBlendCoeff == (int)SkXfermode::kIDC_Coeff);
 GR_STATIC_ASSERT((int)kSA_GrBlendCoeff == (int)SkXfermode::kSA_Coeff);
 GR_STATIC_ASSERT((int)kISA_GrBlendCoeff == (int)SkXfermode::kISA_Coeff);
 GR_STATIC_ASSERT((int)kDA_GrBlendCoeff == (int)SkXfermode::kDA_Coeff);
 GR_STATIC_ASSERT((int)kIDA_GrBlendCoeff == (int)SkXfermode::kIDA_Coeff);
 GR_STATIC_ASSERT(SkXfermode::kCoeffCount == 10);
 
 #define SkXfermodeCoeffToGrBlendCoeff(X) ((GrBlendCoeff)(X))
 
 #endif