Add a convenience typedef LazyInstance<T>::Leaky to avoid repeating T.

ui/gfx/gl/gl_context.cc

 // Copyright (c) 2011 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 <string>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/threading/thread_local.h"
 #include "ui/gfx/gl/gl_context.h"
 #include "ui/gfx/gl/gl_bindings.h"
 #include "ui/gfx/gl/gl_implementation.h"
 #include "ui/gfx/gl/gl_surface.h"
 #include "ui/gfx/gl/gl_switches.h"
 
 namespace gfx {
 
 namespace {
-base::LazyInstance<
-    base::ThreadLocalPointer<GLContext>,
-    base::LeakyLazyInstanceTraits<base::ThreadLocalPointer<GLContext> > >
-        current_context_ = LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<base::ThreadLocalPointer<GLContext> >::Leaky
+    current_context_ = LAZY_INSTANCE_INITIALIZER;
 }  // namespace
 
 GLContext::GLContext(GLShareGroup* share_group) : share_group_(share_group) {
   if (!share_group_.get())
     share_group_ = new GLShareGroup;
 
   share_group_->AddContext(this);
 }
 
 GLContext::~GLContext() {
@@ skipping 70 matching lines @@
   static bool initialized = false;
   if (initialized)
     return initialized;
   initialized = InitializeGLExtensionBindings(GetGLImplementation(), this);
   if (!initialized)
     LOG(ERROR) << "Could not initialize extension bindings.";
   return initialized;
 }
 
 }  // namespace gfx