Implement unregisterProtocolHandler() for content layer

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 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 "content/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 516 matching lines @@
                         OnDidLoadResourceFromMemoryCache)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidDisplayInsecureContent,
                         OnDidDisplayInsecureContent)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidRunInsecureContent,
                         OnDidRunInsecureContent)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GoToEntryAtOffset, OnGoToEntryAtOffset)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateZoomLimits, OnUpdateZoomLimits)
     IPC_MESSAGE_HANDLER(ViewHostMsg_EnumerateDirectory, OnEnumerateDirectory)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RegisterProtocolHandler,
                         OnRegisterProtocolHandler)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_UnregisterProtocolHandler,
+                        OnUnregisterProtocolHandler)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Find_Reply, OnFindReply)
     IPC_MESSAGE_HANDLER(ViewHostMsg_AppCacheAccessed, OnAppCacheAccessed)
     IPC_MESSAGE_HANDLER(ViewHostMsg_WebUISend, OnWebUISend)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RequestPpapiBrokerPermission,
                         OnRequestPpapiBrokerPermission)
     IPC_MESSAGE_HANDLER_GENERIC(BrowserPluginHostMsg_Attach,
                                 OnBrowserPluginMessage(message))
     IPC_MESSAGE_HANDLER(ImageHostMsg_DidDownloadImage, OnDidDownloadImage)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateFaviconURL, OnUpdateFaviconURL)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidFirstVisuallyNonEmptyPaint,
@@ skipping 2182 matching lines @@
     return;
 
   ChildProcessSecurityPolicyImpl* policy =
       ChildProcessSecurityPolicyImpl::GetInstance();
   if (policy->IsPseudoScheme(protocol))
     return;
 
   delegate_->RegisterProtocolHandler(this, protocol, url, user_gesture);
 }
 
+void WebContentsImpl::OnUnregisterProtocolHandler(const std::string& protocol,
+                                                  const GURL& url,
+                                                  bool user_gesture) {
+  if (!delegate_)
+    return;
+
+  ChildProcessSecurityPolicyImpl* policy =
+      ChildProcessSecurityPolicyImpl::GetInstance();
+  if (policy->IsPseudoScheme(protocol))
+    return;
+
+  delegate_->UnregisterProtocolHandler(this, protocol, url, user_gesture);

[jochen (gone - plz use gerrit), 2014/07/10 11:30:07]

can you please implement this as well? (i.e. Browser::UnregisterProtocolHandler)

+}
+
 void WebContentsImpl::OnFindReply(int request_id,
                                   int number_of_matches,
                                   const gfx::Rect& selection_rect,
                                   int active_match_ordinal,
                                   bool final_update) {
   if (delegate_) {
     delegate_->FindReply(this, request_id, number_of_matches, selection_rect,
                          active_match_ordinal, final_update);
   }
 }
@@ skipping 1358 matching lines @@
   if (new_size != old_size)
     delegate_->UpdatePreferredSize(this, new_size);
 }
 
 void WebContentsImpl::ResumeResponseDeferredAtStart() {
   FrameTreeNode* node = frame_tree_.root();
   node->render_manager()->ResumeResponseDeferredAtStart();
 }
 
 }  // namespace content