Ignore GL_ANGLE_framebuffer_multisample on Android.

webkit/gpu/webgraphicscontext3d_in_process_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/gpu/webgraphicscontext3d_in_process_impl.h"
 
 #include <string.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 210 matching lines @@
     return false;
   }
 
   const char* extensions =
       reinterpret_cast<const char*>(glGetString(GL_EXTENSIONS));
   DCHECK(extensions);
   have_ext_framebuffer_object_ =
       strstr(extensions, "GL_EXT_framebuffer_object") != NULL;
   have_ext_framebuffer_multisample_ =
       strstr(extensions, "GL_EXT_framebuffer_multisample") != NULL;
+#if !defined(OS_ANDROID)
+  // Some Android Qualcomm drivers falsely report this ANGLE extension string.
+  // See http://crbug.com/165736
   have_angle_framebuffer_multisample_ =
       strstr(extensions, "GL_ANGLE_framebuffer_multisample") != NULL;
+#endif
   have_ext_oes_standard_derivatives_ =
       strstr(extensions, "GL_OES_standard_derivatives") != NULL;
   have_ext_oes_egl_image_external_ =
       strstr(extensions, "GL_OES_EGL_image_external") != NULL;
 
   ValidateAttributes();
 
   if (!is_gles2_) {
     glEnable(GL_VERTEX_PROGRAM_POINT_SIZE);
     glEnable(GL_POINT_SPRITE);
@@ skipping 1564 matching lines @@
   if (length > 1) {
     entry->translated_source.reset(new char[length]);
     ShGetObjectCode(compiler, entry->translated_source.get());
   }
   entry->is_valid = true;
   return true;
 }
 
 }  // namespace gpu
 }  // namespace webkit