Disable CHROMIUM_bind_uniform_location due to a spec bug

src/gpu/gl/GrGLCaps.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrGLCaps.h"
 
@@ skipping 251 matching lines @@
     if (kGL_GrGLStandard == standard) {
         if (version >= GR_GL_VER(3, 0)) {
             fBindFragDataLocationSupport = true;
         }
     } else {
         if (version >= GR_GL_VER(3, 0) && ctxInfo.hasExtension("GL_EXT_blend_func_extended")) {
             fBindFragDataLocationSupport = true;
         }
     }
 
+#if 0 // Disabled due to http://skbug.com/4454
     fBindUniformLocationSupport = ctxInfo.hasExtension("GL_CHROMIUM_bind_uniform_location");
+#else
+    fBindUniformLocationSupport = false;
+#endif
 
 #ifdef SK_BUILD_FOR_WIN
     // We're assuming that on Windows Chromium we're using ANGLE.
     bool isANGLE = kANGLE_GrGLDriver == ctxInfo.driver() ||
                    kChromium_GrGLDriver == ctxInfo.driver();
     // Angle has slow read/write pixel paths for 32bit RGBA (but fast for BGRA). 
     fRGBA8888PixelsOpsAreSlow = isANGLE;
     // On DX9 ANGLE reading a partial FBO is slow. TODO: Check whether this is still true and
     // check DX11 ANGLE.
     fPartialFBOReadIsSlow = isANGLE;
@@ skipping 983 matching lines @@
         for (int p = 0; p < kGrSLPrecisionCount; ++p) {
             glslCaps->fFloatPrecisions[kGeometry_GrShaderType][p] = 
                                                glslCaps->fFloatPrecisions[kVertex_GrShaderType][p];
         }
     }
 }