diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/include/gpu/gl/GrGLConfig_chrome.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/include/gpu/gl/GrGLConfig_chrome.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,54 @@
+
+/*
+ * 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
+
+// Check error is even more expensive in chrome (cmd buffer flush). The
+// compositor also doesn't check its allocations.
+#define GR_GL_CHECK_ALLOC_WITH_GET_ERROR            0
+
+// CheckFramebufferStatus in chrome synchronizes the gpu and renderer processes.
+#define GR_GL_CHECK_FBO_STATUS_ONCE_PER_FORMAT      1
+
+// Non-VBO vertices and indices are not allowed in Chromium.
+#define GR_GL_MUST_USE_VBO                          1
+
+// 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