tracing: Make ConvertableToTraceFormat move-only scoped_ptr

cc/debug/devtools_instrumentation.h

 // Copyright 2013 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.
 
 #ifndef CC_DEBUG_DEVTOOLS_INSTRUMENTATION_H_
 #define CC_DEBUG_DEVTOOLS_INSTRUMENTATION_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
@@ skipping 129 matching lines @@
 }
 
 inline void DidRequestMainThreadFrame(int layer_tree_host_id) {
   TRACE_EVENT_INSTANT1(internal::kCategoryFrame,
                        internal::kRequestMainThreadFrame,
                        TRACE_EVENT_SCOPE_THREAD,
                        internal::kLayerTreeId,
                        layer_tree_host_id);
 }
 
-inline scoped_refptr<base::trace_event::ConvertableToTraceFormat>
+inline scoped_ptr<base::trace_event::ConvertableToTraceFormat>
 BeginMainThreadFrameData(int frame_id) {
-  scoped_refptr<base::trace_event::TracedValue> value =
-      new base::trace_event::TracedValue();
+  scoped_ptr<base::trace_event::TracedValue> value(
+      new base::trace_event::TracedValue());
   value->SetInteger("frameId", frame_id);
-  return value;
+  return std::move(value);
 }
 
 inline void WillBeginMainThreadFrame(int layer_tree_host_id, int frame_id) {
   TRACE_EVENT_INSTANT2(
       internal::kCategoryFrame, internal::kBeginMainThreadFrame,
       TRACE_EVENT_SCOPE_THREAD, internal::kLayerTreeId, layer_tree_host_id,
       internal::kData, BeginMainThreadFrameData(frame_id));
 }
 
-inline scoped_refptr<base::trace_event::ConvertableToTraceFormat>
+inline scoped_ptr<base::trace_event::ConvertableToTraceFormat>
 NeedsBeginFrameData(bool needs_begin_frame) {
-  scoped_refptr<base::trace_event::TracedValue> value =
-      new base::trace_event::TracedValue();
+  scoped_ptr<base::trace_event::TracedValue> value(
+      new base::trace_event::TracedValue());
   value->SetInteger("needsBeginFrame", needs_begin_frame);
-  return value;
+  return std::move(value);
 }
 
 inline void NeedsBeginFrameChanged(int layer_tree_host_id, bool new_value) {
   TRACE_EVENT_INSTANT2(
       internal::kCategoryFrame, internal::kNeedsBeginFrameChanged,
       TRACE_EVENT_SCOPE_THREAD, internal::kLayerTreeId, layer_tree_host_id,
       internal::kData, NeedsBeginFrameData(new_value));
 }
 
 }  // namespace devtools_instrumentation
 }  // namespace cc
 
 #endif  // CC_DEBUG_DEVTOOLS_INSTRUMENTATION_H_