Refactor trace_event_impl's SetEnabled to use TraceOptions. Propagate this through the whole stack.

content/renderer/devtools/devtools_agent.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 "content/renderer/devtools/devtools_agent.h"
 
 #include <map>
 
 #include "base/debug/trace_event.h"
 #include "base/lazy_instance.h"
@@ skipping 26 matching lines @@
 using blink::WebDevToolsAgent;
 using blink::WebDevToolsAgentClient;
 using blink::WebFrame;
 using blink::WebPoint;
 using blink::WebString;
 using blink::WebCString;
 using blink::WebVector;
 using blink::WebView;
 
 using base::debug::TraceLog;
+using base::debug::TraceOptions;
 
 namespace content {
 
 base::subtle::AtomicWord DevToolsAgent::event_callback_;
 
 namespace {
 
 class WebKitClientMessageLoopImpl
     : public WebDevToolsAgentClient::WebKitClientMessageLoop {
  public:
@@ skipping 109 matching lines @@
         category_filter.utf8()), TraceEventCallbackWrapper);
   } else {
     trace_log->SetEventCallbackDisabled();
   }
 }
 
 void DevToolsAgent::enableTracing(const WebString& category_filter) {
   TraceLog* trace_log = TraceLog::GetInstance();
   trace_log->SetEnabled(base::debug::CategoryFilter(category_filter.utf8()),
                         TraceLog::RECORDING_MODE,
-                        TraceLog::RECORD_UNTIL_FULL);
+                        TraceOptions());
 }
 
 void DevToolsAgent::disableTracing() {
   TraceLog::GetInstance()->SetDisabled();
 }
 
 // static
 void DevToolsAgent::TraceEventCallbackWrapper(
     base::TimeTicks timestamp,
     char phase,
@@ skipping 187 matching lines @@
   if (!web_view)
     return NULL;
   return web_view->devToolsAgent();
 }
 
 bool DevToolsAgent::IsAttached() {
   return is_attached_;
 }
 
 }  // namespace content