Adds navigator.registerProtocolHandler.

content/browser/tab_contents/tab_contents.cc

Index: content/browser/tab_contents/tab_contents.cc
diff --git a/content/browser/tab_contents/tab_contents.cc b/content/browser/tab_contents/tab_contents.cc
index 30b91e962f978d70306a6240e48d41a59d47d2b5..c0de537aeaae9a839d67dfee4cffa6180c4299d6 100644
--- a/content/browser/tab_contents/tab_contents.cc
+++ b/content/browser/tab_contents/tab_contents.cc
@@ -22,6 +22,8 @@
 #include "chrome/browser/child_process_security_policy.h"
 #include "chrome/browser/content_settings/content_settings_details.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
+#include "chrome/browser/custom_handlers/protocol_handler_registry.h"
+#include "chrome/browser/custom_handlers/register_protocol_handler_infobar_delegate.h"
 #include "chrome/browser/debugger/devtools_manager.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/desktop_notification_handler.h"
@@ -446,6 +448,8 @@ bool TabContents::OnMessageReceived(const IPC::Message& message) {
                         OnInstallApplication)
     IPC_MESSAGE_HANDLER(ViewHostMsg_PageContents, OnPageContents)
     IPC_MESSAGE_HANDLER(ViewHostMsg_PageTranslated, OnPageTranslated)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_RegisterProtocolHandler,
+                        OnRegisterProtocolHandler)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetSuggestions, OnSetSuggestions)
     IPC_MESSAGE_HANDLER(ViewHostMsg_InstantSupportDetermined,
                         OnInstantSupportDetermined)
@@ -1963,6 +1967,19 @@ void TabContents::OnPageTranslated(int32 page_id,
       Details<PageTranslatedDetails>(&details));
 }
 
+void TabContents::OnRegisterProtocolHandler(const std::string& protocol,
+                                            const GURL& url,
+                                            const string16& title) {
+  ProtocolHandlerRegistry* registry = profile()->GetProtocolHandlerRegistry();
+  ProtocolHandler* handler = ProtocolHandler::CreateProtocolHandler(protocol,
+                                                                    url,
+                                                                    title);
+  if (handler != NULL) {
+    RegisterProtocolHandlerInfoBarDelegate::AttemptRegisterProtocolHandler(
+        this, registry, handler);
+  }
+}
+
 void TabContents::OnSetSuggestions(
     int32 page_id,
     const std::vector<std::string>& suggestions) {