Disable Skia histograms until issues can be debugged.

skia/config/SkUserConfig.h

 /*
  * Copyright (C) 2006 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 
 #ifndef SkUserConfig_DEFINED
 #define SkUserConfig_DEFINED
 
-#include "skia/ext/skia_histogram.h"
-
 /*  SkTypes.h, the root of the public header files, does the following trick:
 
     #include <SkPreConfig.h>
     #include <SkUserConfig.h>
     #include <SkPostConfig.h>
 
     SkPreConfig.h runs first, and it is responsible for initializing certain
     skia defines.
 
     SkPostConfig.h runs last, and its job is to just check that the final
@@ skipping 222 matching lines @@
 #define GR_GL_CUSTOM_SETUP_HEADER   "GrGLConfig_chrome.h"
 
 // mtklein's fiddling with Src / SrcOver.  Will rebaseline these only once when done.
 #define SK_SUPPORT_LEGACY_X86_BLITS
 
 #define SK_DISABLE_TILE_IMAGE_FILTER_OPTIMIZATION
 
 // ===== End Chrome-specific definitions =====
 
 #endif