Relanding r71472....

app/gfx/gl/gl_implementation_mac.cc

 // Copyright (c) 2010 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 "app/gfx/gl/gl_bindings.h"
 #include "app/gfx/gl/gl_implementation.h"
 #include "base/base_paths.h"
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/native_library.h"
@@ skipping 17 matching lines @@
       FilePath module_path;
       if (!PathService::Get(base::DIR_MODULE, &module_path)) {
         LOG(ERROR) << "PathService::Get failed.";
         return false;
       }
 
       // When using OSMesa, just use OSMesaGetProcAddress to find entry points.
       base::NativeLibrary library = base::LoadNativeLibrary(
           module_path.Append("osmesa.so"));
       if (!library) {
-        DVLOG(1) << "osmesa.so not found";
+        VLOG(1) << "osmesa.so not found";
         return false;
       }
 
       GLGetProcAddressProc get_proc_address =
           reinterpret_cast<GLGetProcAddressProc>(
               base::GetFunctionPointerFromNativeLibrary(
                   library, "OSMesaGetProcAddress"));
       if (!get_proc_address) {
         LOG(ERROR) << "OSMesaGetProcAddress not found.";
         base::UnloadNativeLibrary(library);
@@ skipping 34 matching lines @@
 
   return true;
 }
 
 void InitializeDebugGLBindings() {
   InitializeDebugGLBindingsGL();
   InitializeDebugGLBindingsOSMESA();
 }
 
 }  // namespace gfx