Introduce intercepting and handling devtools messages in the renderer.

content/browser/devtools/devtools_protocol.cc

Index: content/browser/devtools/devtools_protocol.cc
diff --git a/content/browser/devtools/devtools_protocol.cc b/content/browser/devtools/devtools_protocol.cc
index 152a04ed26b1d638a1ef11aba994ab02af8ce82b..88e9571aa857b47a5a1b7ff97e43893aba28c657 100644
--- a/content/browser/devtools/devtools_protocol.cc
+++ b/content/browser/devtools/devtools_protocol.cc
@@ -118,6 +118,35 @@ std::string DevToolsProtocol::Notification::Serialize() {
   return json_notification;
 }
 
+DevToolsProtocol::Handler::~Handler() {
+}
+
+DevToolsProtocol::Handler::Handler(const Notifier& notifier)

[pfeldman, 2013/02/13 17:38:24]

Method definition order should match the declaration order (the one in .h).

[kkania, 2013/02/13 19:17:19]

Done.

+    : notifier_(notifier) {
+}
+
+scoped_ptr<DevToolsProtocol::Response>
+DevToolsProtocol::Handler::HandleCommand(
+    DevToolsProtocol::Command* command) {
+  CommandHandlers::iterator it = command_handlers_.find(command->method());
+  if (it == command_handlers_.end())
+    return scoped_ptr<DevToolsProtocol::Response>();
+  return (it->second).Run(command);
+}
+
+void DevToolsProtocol::Handler::RegisterCommandHandler(
+    const std::string& command,
+    const CommandHandler& handler) {
+  command_handlers_[command] = handler;
+}
+
+void DevToolsProtocol::Handler::SendNotification(
+    const std::string& method,
+    base::DictionaryValue* params) {
+  DevToolsProtocol::Notification notification(method, params);
+  notifier_.Run(notification.Serialize());
+}
+
 // static
 DevToolsProtocol::Command* DevToolsProtocol::ParseCommand(
     const std::string& json,