Revert of Patch to remove constant attributes

include/gpu/gl/GrGLConfig_chrome.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef GrGLConfig_chrome_DEFINED
 #define GrGLConfig_chrome_DEFINED
 
 // glGetError() forces a sync with gpu process on chrome
 #define GR_GL_CHECK_ERROR_START                     0
 
 #if defined(SK_BUILD_FOR_WIN32)
+// ANGLE creates a temp VB for vertex attributes not specified per-vertex.
+#define GR_GL_NO_CONSTANT_ATTRIBUTES                1
+
 // For RGBA teximage/readpixels ANGLE will sw-convert to/from BGRA.
 #define GR_GL_RGBA_8888_PIXEL_OPS_SLOW              1
 
 // ANGLE can go faster if the entire fbo is read rather than a subrect
 #define GR_GL_FULL_READPIXELS_FASTER_THAN_PARTIAL   1
 #else
+#define GR_GL_NO_CONSTANT_ATTRIBUTES                0
 #define GR_GL_RGBA_8888_PIXEL_OPS_SLOW              0
 #define GR_GL_FULL_READPIXELS_FASTER_THAN_PARTIAL   0
 #endif
 
 // cmd buffer allocates memory and memsets it to zero when it sees glBufferData
 // with NULL.
 #define GR_GL_USE_BUFFER_DATA_NULL_HINT             0
 
 // chrome uses this to set the context on each GL call.
 #define GR_GL_PER_GL_FUNC_CALLBACK                  1
@@ skipping 10 matching lines @@
 
 // Use updated Khronos signature for glShaderSource
 // (const char* const instead of char**).
 #define GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE       1
 
 #if !defined(GR_GL_IGNORE_ES3_MSAA)
     #define GR_GL_IGNORE_ES3_MSAA 1
 #endif
 
 #endif