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

content/browser/devtools/devtools_tracing_handler.cc

Index: content/browser/devtools/devtools_tracing_handler.cc
diff --git a/content/browser/devtools/devtools_tracing_handler.cc b/content/browser/devtools/devtools_tracing_handler.cc
index 981c2047836269c9959959c32a324101ed73f4a1..0721fd2c1faac5280be0c0c00fa716abc9f90bb9 100644
--- a/content/browser/devtools/devtools_tracing_handler.cc
+++ b/content/browser/devtools/devtools_tracing_handler.cc
@@ -8,6 +8,7 @@
 
 #include "base/bind.h"
 #include "base/callback.h"
+#include "base/debug/trace_event_impl.h"
 #include "base/file_util.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
@@ -116,23 +117,23 @@ void DevToolsTracingHandler::OnTraceDataCollected(
   SendRawMessage(message);
 }
 
-TracingController::Options DevToolsTracingHandler::TraceOptionsFromString(
+base::debug::TraceOptions DevToolsTracingHandler::TraceOptionsFromString(
     const std::string& options) {
   std::vector<std::string> split;
   std::vector<std::string>::iterator iter;
-  int ret = 0;
+  base::debug::TraceOptions ret;
 
   base::SplitString(options, ',', &split);
   for (iter = split.begin(); iter != split.end(); ++iter) {
     if (*iter == kRecordUntilFull) {
-      ret &= ~TracingController::RECORD_CONTINUOUSLY;
+      ret.record_mode = base::debug::TraceOptions::RECORD_UNTIL_FULL;
     } else if (*iter == kRecordContinuously) {
-      ret |= TracingController::RECORD_CONTINUOUSLY;
+      ret.record_mode = base::debug::TraceOptions::RECORD_CONTINUOUSLY;
     } else if (*iter == kEnableSampling) {
-      ret |= TracingController::ENABLE_SAMPLING;
+      ret.EnableSampling(true);
     }
   }
-  return static_cast<TracingController::Options>(ret);
+  return ret;
 }
 
 scoped_refptr<DevToolsProtocol::Response>
@@ -144,7 +145,7 @@ DevToolsTracingHandler::OnStart(
   if (params)
     params->GetString(devtools::Tracing::start::kParamCategories, &categories);
 
-  TracingController::Options options = TracingController::DEFAULT_OPTIONS;
+  base::debug::TraceOptions options;
   if (params && params->HasKey(devtools::Tracing::start::kParamOptions)) {
     std::string options_param;
     params->GetString(devtools::Tracing::start::kParamOptions, &options_param);
@@ -177,12 +178,15 @@ DevToolsTracingHandler::OnStart(
   // tracing agent in the renderer.
   if (target_ == Renderer) {
     TracingController::GetInstance()->EnableRecording(
-        categories, options, TracingController::EnableRecordingDoneCallback());
+        categories,
+        options,
+        TracingController::EnableRecordingDoneCallback());
     return NULL;
   }
 
   TracingController::GetInstance()->EnableRecording(
-      categories, options,
+      categories,
+      options,
       base::Bind(&DevToolsTracingHandler::OnTracingStarted,
                  weak_factory_.GetWeakPtr(),
                  command));