Add RAIL tracing category to Chrome tracing.

content/app/content_main_runner.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/public/app/content_main_runner.h"
 
 #include <stddef.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ skipping 449 matching lines @@
     base::win::RegisterInvalidParamHandler();
     ui::win::CreateATLModuleIfNeeded();
 
     sandbox_info_ = *params.sandbox_info;
 #else  // !OS_WIN
 
 #if defined(OS_ANDROID)
     // See note at the initialization of ExitManager, below; basically,
     // only Android builds have the ctor/dtor handlers set up to use
     // TRACE_EVENT right away.
-    TRACE_EVENT0("startup,benchmark", "ContentMainRunnerImpl::Initialize");
+    TRACE_EVENT0("startup,benchmark,rail", "ContentMainRunnerImpl::Initialize");
 #endif  // OS_ANDROID
 
     base::GlobalDescriptors* g_fds = base::GlobalDescriptors::GetInstance();
 
     // On Android,
     // - setlocale() is not supported.
     // - We do not override the signal handlers so that we can get
     //   stack trace when crashing.
     // - The ipc_fd is passed through the Java service.
     // Thus, these are all disabled.
@@ skipping 136 matching lines @@
 #if defined(OS_WIN)
     // Enable exporting of events to ETW if requested on the command line.
     if (command_line.HasSwitch(switches::kTraceExportEventsToETW))
       base::trace_event::TraceEventETWExport::EnableETWExport();
 #endif  // OS_WIN
 
 #if !defined(OS_ANDROID)
     // Android tracing started at the beginning of the method.
     // Other OSes have to wait till we get here in order for all the memory
     // management setup to be completed.
-    TRACE_EVENT0("startup,benchmark", "ContentMainRunnerImpl::Initialize");
+    TRACE_EVENT0("startup,benchmark,rail", "ContentMainRunnerImpl::Initialize");
 #endif  // !OS_ANDROID
 
 #if defined(OS_MACOSX)
     // We need to allocate the IO Ports before the Sandbox is initialized or
     // the first instance of PowerMonitor is created.
     // It's important not to allocate the ports for processes which don't
     // register with the power monitor - see crbug.com/88867.
     if (process_type.empty() ||
         (delegate_ &&
          delegate_->ProcessRegistersWithSystemProcess(process_type))) {
@@ skipping 203 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ContentMainRunnerImpl);
 };
 
 // static
 ContentMainRunner* ContentMainRunner::Create() {
   return new ContentMainRunnerImpl();
 }
 
 }  // namespace content