DevTools: switch devtools platform events to new timeline category

Source/platform/PlatformInstrumentation.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #include "platform/PlatformInstrumentation.h"
 
 namespace WebCore {
 
-const char PlatformInstrumentation::CategoryName[] = "devtools";
+const char PlatformInstrumentation::CategoryName[] = TRACE_DISABLED_BY_DEFAULT("devtools.timeline");
 
 const char PlatformInstrumentation::ImageDecodeEvent[] = "Decode Image";
 const char PlatformInstrumentation::ImageResizeEvent[] = "Resize Image";
 const char PlatformInstrumentation::DrawLazyPixelRefEvent[] = "Draw LazyPixelRef";
 const char PlatformInstrumentation::DecodeLazyPixelRefEvent[] = "Decode LazyPixelRef";
 
 const char PlatformInstrumentation::LazyPixelRef[] = "LazyPixelRef";
 
 const char PlatformInstrumentation::ImageTypeArgument[] = "imageType";
 const char PlatformInstrumentation::CachedArgument[] = "cached";
 
 PlatformInstrumentationClient* PlatformInstrumentation::m_client;
 
 PlatformInstrumentationClient::~PlatformInstrumentationClient()
 {
 }
 
 void PlatformInstrumentation::setClient(PlatformInstrumentationClient* client)
 {
     m_client = client;
 }
 
 }