Adds navigator.registerProtocolHandler.

chrome/browser/tab_contents/tab_contents.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/tab_contents/tab_contents.h"
 
 #include <cmath>
 
 #include "base/auto_reset.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/stats_counters.h"
 #include "base/string16.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autocomplete_history_manager.h"
 #include "chrome/browser/autofill/autofill_manager.h"
 #include "chrome/browser/blocked_content_container.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/character_encoding.h"
 #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"
 #include "chrome/browser/dom_operation_notification_details.h"
 #include "chrome/browser/dom_ui/dom_ui.h"
 #include "chrome/browser/download/download_item_model.h"
 #include "chrome/browser/download/download_manager.h"
 #include "chrome/browser/download/download_request_limiter.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/external_protocol_handler.h"
@@ skipping 2578 matching lines @@
   render_manager_.dom_ui()->ProcessDOMUIMessage(params);
 }
 
 void TabContents::ProcessExternalHostMessage(const std::string& message,
                                              const std::string& origin,
                                              const std::string& target) {
   if (delegate())
     delegate()->ForwardMessageToExternalHost(message, origin, target);
 }
 
+void TabContents::RegisterProtocolHandler(const std::string& protocol,
+                                          const std::string& url,
+                                          const std::string& title) {
+  ProtocolHandler* handler = ProtocolHandler::CreateProtocolHandler(protocol, url, title);
+
+  if (handler == NULL) {
+    return;
+  }
+
+  AddInfoBar(new RegisterProtocolHandlerInfoBarDelegate(
+      this, profile()->GetProtocolHandlerRegistry(), handler));

[tony, 2011/02/07 20:51:45]

Have you thought about what happens if an extension tries to register a protocol
handler as it's background page?  I think extension pages also implement
RenderViewHostDelegate.

[koz (OOO until 15th September), 2011/02/13 22:33:48]

Hm, I hadn't thought of that. I guess if the extension requests permission to
register protocol handlers it should be able to register them without a user
prompt, but maybe we don't want to let extensions register them at all?

+}
+
 void TabContents::RunJavaScriptMessage(
     const std::wstring& message,
     const std::wstring& default_prompt,
     const GURL& frame_url,
     const int flags,
     IPC::Message* reply_msg,
     bool* did_suppress_message) {
   // Suppress javascript messages when requested and when inside a constrained
   // popup window (because that activates them and breaks them out of the
   // constrained window jail).
@@ skipping 495 matching lines @@
 }
 
 bool TabContents::MaybeUsePreloadedPage(const GURL& url) {
   PrerenderManager* pm = profile()->GetPrerenderManager();
   if (pm != NULL) {
     if (pm->MaybeUsePreloadedPage(this, url))
       return true;
   }
   return false;
 }