[DevTools] Migrate DevToolsTracingHandler to generated handler.

content/browser/devtools/render_view_devtools_agent_host.h

Index: content/browser/devtools/render_view_devtools_agent_host.h
diff --git a/content/browser/devtools/render_view_devtools_agent_host.h b/content/browser/devtools/render_view_devtools_agent_host.h
index 0f4208ff7b6999ce2df7d8cfba8ed3424738ed7c..204d87e85444058a83ad63271cc985090a38ab45 100644
--- a/content/browser/devtools/render_view_devtools_agent_host.h
+++ b/content/browser/devtools/render_view_devtools_agent_host.h
@@ -11,11 +11,6 @@
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/devtools/ipc_devtools_agent_host.h"
-#include "content/browser/devtools/protocol/dom_handler.h"
-#include "content/browser/devtools/protocol/input_handler.h"
-#include "content/browser/devtools/protocol/network_handler.h"
-#include "content/browser/devtools/protocol/page_handler.h"
-#include "content/browser/devtools/protocol/power_handler.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
@@ -28,7 +23,6 @@ class CompositorFrameMetadata;
 namespace content {
 
 class DevToolsProtocolHandlerImpl;
-class DevToolsTracingHandler;
 class RenderViewHost;
 class RenderViewHostImpl;
 
@@ -36,6 +30,15 @@ class RenderViewHostImpl;
 class PowerSaveBlockerImpl;
 #endif
 
+namespace devtools {
+namespace dom { class DOMHandler; }
+namespace input { class InputHandler; }
+namespace network { class NetworkHandler; }
+namespace page { class PageHandler; }
+namespace power { class PowerHandler; }
+namespace tracing { class TracingHandler; }
+}
+
 class CONTENT_EXPORT RenderViewDevToolsAgentHost
     : public IPCDevToolsAgentHost,
       private WebContentsObserver,
@@ -118,8 +121,8 @@ class CONTENT_EXPORT RenderViewDevToolsAgentHost
   scoped_ptr<devtools::network::NetworkHandler> network_handler_;
   scoped_ptr<devtools::page::PageHandler> page_handler_;
   scoped_ptr<devtools::power::PowerHandler> power_handler_;
+  scoped_ptr<devtools::tracing::TracingHandler> tracing_handler_;
   scoped_ptr<DevToolsProtocolHandlerImpl> handler_impl_;
-  scoped_ptr<DevToolsTracingHandler> tracing_handler_;
 #if defined(OS_ANDROID)
   scoped_ptr<PowerSaveBlockerImpl> power_save_blocker_;
 #endif