Merge gpu_trace_event back into base/debug/trace_event

chrome/browser/browser_main.cc

Index: chrome/browser/browser_main.cc
diff --git a/chrome/browser/browser_main.cc b/chrome/browser/browser_main.cc
index 8b28a2cc2f3466a1e4280c145fbd3c8e0e43a925..e40183e8e3d8947c89f41d67430fbf0603944fd4 100644
--- a/chrome/browser/browser_main.cc
+++ b/chrome/browser/browser_main.cc
@@ -564,7 +564,7 @@ void HandleTestParameters(const CommandLine& command_line) {
 }
 
 void RunUIMessageLoop(BrowserProcess* browser_process) {
-  TRACE_EVENT_BEGIN("BrowserMain:MESSAGE_LOOP", 0, "");
+  TRACE_EVENT_BEGIN_ETW("BrowserMain:MESSAGE_LOOP", 0, "");
   // This should be invoked as close to the start of the browser's
   // UI thread message loop as possible to get a stable measurement
   // across versions.
@@ -587,7 +587,7 @@ void RunUIMessageLoop(BrowserProcess* browser_process) {
                                                         true);
 #endif
 
-  TRACE_EVENT_END("BrowserMain:MESSAGE_LOOP", 0, "");
+  TRACE_EVENT_END_ETW("BrowserMain:MESSAGE_LOOP", 0, "");
 }
 
 void AddFirstRunNewTabs(BrowserInit* browser_init,
@@ -1117,7 +1117,7 @@ bool IsMetricsReportingEnabled(const PrefService* local_state) {
 
 // Main routine for running as the Browser process.
 int BrowserMain(const MainFunctionParams& parameters) {
-  TRACE_EVENT_BEGIN("BrowserMain", 0, "");
+  TRACE_EVENT_BEGIN_ETW("BrowserMain", 0, "");
 
   // If we're running tests (ui_task is non-null).
   if (parameters.ui_task)
@@ -1907,6 +1907,6 @@ int BrowserMain(const MainFunctionParams& parameters) {
                                                         false);
   chromeos::BootTimesLoader::Get()->WriteLogoutTimes();
 #endif
-  TRACE_EVENT_END("BrowserMain", 0, 0);
+  TRACE_EVENT_END_ETW("BrowserMain", 0, 0);
   return result_code;
 }