Revert of Use the desktop GL core profile on Linux when ES3 support is requested.

gpu/config/gpu_info_collector.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 "gpu/config/gpu_info_collector.h"
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 80 matching lines @@
   }
 
   scoped_refptr<gfx::GLContext> context(InitializeGLContext(surface.get()));
   if (!context.get()) {
     LOG(ERROR) << "Could not create context for info collection.";
     return kCollectInfoFatalFailure;
   }
 
   gpu_info->gl_renderer = GetGLString(GL_RENDERER);
   gpu_info->gl_vendor = GetGLString(GL_VENDOR);
-  gpu_info->gl_extensions = context->GetExtensions();
+  gpu_info->gl_extensions = GetGLString(GL_EXTENSIONS);
   gpu_info->gl_version = GetGLString(GL_VERSION);
   std::string glsl_version_string = GetGLString(GL_SHADING_LANGUAGE_VERSION);
 
   gfx::GLWindowSystemBindingInfo window_system_binding_info;
   if (GetGLWindowSystemBindingInfo(&window_system_binding_info)) {
     gpu_info->gl_ws_vendor = window_system_binding_info.vendor;
     gpu_info->gl_ws_version = window_system_binding_info.version;
     gpu_info->gl_ws_extensions = window_system_binding_info.extensions;
     gpu_info->direct_rendering = window_system_binding_info.direct_rendering;
   }
@@ skipping 44 matching lines @@
   basic_gpu_info->sandboxed = context_gpu_info.sandboxed;
   basic_gpu_info->direct_rendering = context_gpu_info.direct_rendering;
   basic_gpu_info->context_info_state = context_gpu_info.context_info_state;
   basic_gpu_info->initialization_time = context_gpu_info.initialization_time;
   basic_gpu_info->video_encode_accelerator_supported_profiles =
       context_gpu_info.video_encode_accelerator_supported_profiles;
 }
 
 }  // namespace gpu