[DevTools] Migrate DevToolsTracingHandler to generated handler.

content/browser/devtools/protocol/devtools_protocol_handler_generator.py

Index: content/browser/devtools/protocol/devtools_protocol_handler_generator.py
diff --git a/content/browser/devtools/protocol/devtools_protocol_handler_generator.py b/content/browser/devtools/protocol/devtools_protocol_handler_generator.py
index aa7c507a1ba482d87c51834eb32f78b8d4403c27..9798a5cd293b25134491c040088df01b157c7507 100755
--- a/content/browser/devtools/protocol/devtools_protocol_handler_generator.py
+++ b/content/browser/devtools/protocol/devtools_protocol_handler_generator.py
@@ -120,8 +120,7 @@ tmpl_client = string.Template("""\
 namespace ${domain} {
 class Client : public DevToolsProtocolClient {
  public:
-  Client(const EventCallback& event_callback,
-         const ResponseCallback& response_callback);
+  Client(const RawMessageCallback& raw_message_callback);
   virtual ~Client();
 
 ${methods}\
@@ -246,9 +245,7 @@ tmpl_register = string.Template("""\
 tmpl_init_client = string.Template("""\
   ${domain}_handler_->SetClient(make_scoped_ptr(
       new devtools::${domain}::Client(
-          base::Bind(&DevToolsProtocolHandlerImpl::SendNotification,
-                     base::Unretained(this)),
-          base::Bind(&DevToolsProtocolHandlerImpl::SendAsyncResponse,
+          base::Bind(&DevToolsProtocolHandlerImpl::SendRawMessage,
                      base::Unretained(this)))));
 """)
 
@@ -358,9 +355,8 @@ void ${declared_name}::set_${param}(
 tmpl_client_impl = string.Template("""\
 namespace ${domain} {
 
-Client::Client(const EventCallback& event_callback,
-               const ResponseCallback& response_callback)
-    : DevToolsProtocolClient(event_callback, response_callback) {
+Client::Client(const RawMessageCallback& raw_message_callback)
+    : DevToolsProtocolClient(raw_message_callback) {
 }
 
 Client::~Client() {