[DevTools] Move IO and Tracing to new generator.

content/browser/devtools/devtools_protocol_handler.h

Index: content/browser/devtools/devtools_protocol_handler.h
diff --git a/content/browser/devtools/devtools_protocol_handler.h b/content/browser/devtools/devtools_protocol_handler.h
index 180101413a0215ac25374e2f416af75ffef76452..1ce5a948c155e7dbce91678839a1722ee784313f 100644
--- a/content/browser/devtools/devtools_protocol_handler.h
+++ b/content/browser/devtools/devtools_protocol_handler.h
@@ -7,6 +7,10 @@
 
 #include "content/browser/devtools/protocol/devtools_protocol_dispatcher.h"
 
+namespace base {
+class Value;
+}
+
 namespace content {
 
 class DevToolsAgentHost;
@@ -19,9 +23,9 @@ class DevToolsProtocolHandler {
   explicit DevToolsProtocolHandler(DevToolsAgentHostImpl* agent_host);
   virtual ~DevToolsProtocolHandler();
 
-  void HandleMessage(int session_id, const std::string& message);
+  void HandleMessage(int session_id, std::unique_ptr<base::Value> message);
   bool HandleOptionalMessage(int session_id,
-                             const std::string& message,
+                             std::unique_ptr<base::Value> message,
                              int* call_id,
                              std::string* method);
 
@@ -30,7 +34,7 @@ class DevToolsProtocolHandler {
  private:
   std::unique_ptr<base::DictionaryValue> ParseCommand(
       int session_id,
-      const std::string& message);
+      std::unique_ptr<base::Value> message);
   bool PassCommandToDelegate(int session_id, base::DictionaryValue* command);
   void HandleCommand(int session_id,
                      std::unique_ptr<base::DictionaryValue> command);