Disable GPU sRGB textures for the moment.

src/gpu/SkGr.cpp

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkGr.h"
 
 #include "GrDrawTargetCaps.h"
@@ skipping 419 matching lines @@
     switch (ct) {
         case kUnknown_SkColorType:
             return kUnknown_GrPixelConfig;
         case kAlpha_8_SkColorType:
             return kAlpha_8_GrPixelConfig;
         case kRGB_565_SkColorType:
             return kRGB_565_GrPixelConfig;
         case kARGB_4444_SkColorType:
             return kRGBA_4444_GrPixelConfig;
         case kRGBA_8888_SkColorType:
-            if (kSRGB_SkColorProfileType == pt) {
-                return kSRGBA_8888_GrPixelConfig;
-            }
+//            if (kSRGB_SkColorProfileType == pt) {
+//                return kSRGBA_8888_GrPixelConfig;
+//            }
             return kRGBA_8888_GrPixelConfig;
         case kBGRA_8888_SkColorType:
             return kBGRA_8888_GrPixelConfig;
         case kIndex_8_SkColorType:
             return kIndex_8_GrPixelConfig;
     }
     SkASSERT(0);    // shouldn't get here
     return kUnknown_GrPixelConfig;
 }
 
@@ skipping 128 matching lines @@
         if (shader->asFragmentProcessor(context, skPaint, viewM, NULL, &paintColor, &fp) && fp) {
             grPaint->addColorProcessor(fp)->unref();
             constantColor = false;
         }
     }
 
     // The grcolor is automatically set when calling asFragmentProcessor.
     // If the shader can be seen as an effect it returns true and adds its effect to the grpaint.
     SkPaint2GrPaintNoShader(context, skPaint, paintColor, constantColor, grPaint);
 }