Remove implicit conversions from scoped_refptr to T* in gpu/

gpu/command_buffer/service/gpu_tracer.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/command_buffer/service/gpu_tracer.h"
 
 #include <deque>
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
@@ skipping 178 matching lines @@
 }
 
 bool GPUTracer::EndDecoding() {
   if (!gpu_executing_)
     return false;
 
   // End Trace for all active markers
   if (IsTracing()) {
     for (int n = 0; n < NUM_TRACER_SOURCES; n++) {
       for (size_t i = 0; i < markers_[n].size(); i++) {
-        if (markers_[n][i].trace_) {
+        if (markers_[n][i].trace_.get()) {
           markers_[n][i].trace_->End();
           if (markers_[n][i].trace_->IsEnabled())
             traces_.push_back(markers_[n][i].trace_);
           markers_[n][i].trace_ = 0;
         }
       }
     }
     IssueProcessTask();
   }
 
@@ skipping 27 matching lines @@
 bool GPUTracer::End(GpuTracerSource source) {
   if (!gpu_executing_)
     return false;
 
   DCHECK(source >= 0 && source < NUM_TRACER_SOURCES);
 
   // Pop last marker with matching 'source'
   if (!markers_[source].empty()) {
     if (IsTracing()) {
       scoped_refptr<GPUTrace> trace = markers_[source].back().trace_;
-      if (trace) {
+      if (trace.get()) {
         trace->End();
         if (trace->IsEnabled())
           traces_.push_back(trace);
         IssueProcessTask();
       }
     }
 
     markers_[source].pop_back();
     return true;
   }
@@ skipping 82 matching lines @@
 
   process_posted_ = true;
   base::MessageLoop::current()->PostDelayedTask(
       FROM_HERE,
       base::Bind(&GPUTracer::Process, base::AsWeakPtr(this)),
       base::TimeDelta::FromMilliseconds(kProcessInterval));
 }
 
 }  // namespace gles2
 }  // namespace gpu