Revert of Patch to remove constant attributes

include/gpu/gl/GrGLConfig_chrome.h

Index: include/gpu/gl/GrGLConfig_chrome.h
diff --git a/include/gpu/gl/GrGLConfig_chrome.h b/include/gpu/gl/GrGLConfig_chrome.h
index ee875b7f22e049aaa3ddcb0c021febc8890b51b1..acad90450c11c8b66843bb6743e82a5d04e142df 100644
--- a/include/gpu/gl/GrGLConfig_chrome.h
+++ b/include/gpu/gl/GrGLConfig_chrome.h
@@ -12,12 +12,16 @@
 #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