Ensure GL initialization only happens once, and provide common init path

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/debug/trace_event.h"
@@ skipping 64 matching lines @@
   }
   return std::string();
 }
 
 }  // namespace anonymous
 
 namespace gpu {
 
 bool CollectGraphicsInfoGL(GPUInfo* gpu_info) {
   TRACE_EVENT0("startup", "gpu_info_collector::CollectGraphicsInfoGL");
-  if (!gfx::GLSurface::InitializeOneOff()) {
-    LOG(ERROR) << "gfx::GLSurface::InitializeOneOff() failed";
-    return false;
-  }
 
   scoped_refptr<gfx::GLSurface> surface(InitializeGLSurface());
   if (!surface.get())
     return false;
 
   scoped_refptr<gfx::GLContext> context(InitializeGLContext(surface.get()));
   if (!context.get())
     return false;
 
   gpu_info->gl_renderer = GetGLString(GL_RENDERER);
@@ skipping 53 matching lines @@
     basic_gpu_info->driver_version = context_gpu_info.driver_version;
 
   basic_gpu_info->can_lose_context = context_gpu_info.can_lose_context;
   basic_gpu_info->sandboxed = context_gpu_info.sandboxed;
   basic_gpu_info->finalized = context_gpu_info.finalized;
   basic_gpu_info->initialization_time = context_gpu_info.initialization_time;
 }
 
 }  // namespace gpu