Remove implicit conversions from scoped_refptr to T* in ui/

ui/gl/gl_fence_nv.cc

 // Copyright 2014 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 "ui/gl/gl_fence_nv.h"
 
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 
 namespace gfx {
@@ skipping 19 matching lines @@
   }
 }
 
 bool GLFenceNV::HasCompleted() {
   DCHECK(glIsFenceNV(fence_));
   return !!glTestFenceNV(fence_);
 }
 
 void GLFenceNV::ClientWait() {
   DCHECK(glIsFenceNV(fence_));
-  if (!flush_event_ || flush_event_->IsSignaled()) {
+  if (!flush_event_.get() || flush_event_->IsSignaled()) {
     glFinishFenceNV(fence_);
   } else {
     LOG(ERROR) << "Trying to wait for uncommitted fence. Skipping...";
   }
 }
 
 void GLFenceNV::ServerWait() {
   DCHECK(glIsFenceNV(fence_));
   ClientWait();
 }
 
 GLFenceNV::~GLFenceNV() {
   DCHECK(glIsFenceNV(fence_));
   glDeleteFencesNV(1, &fence_);
 }
 
 }  // namespace gfx