Remove WebContentsObserver::ProvisionalChangeToMainFrameUrl and all the code supporting it.

content/browser/frame_host/render_frame_host_impl.cc

 // Copyright 2013 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/frame_host/render_frame_host_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/containers/hash_tables.h"
 #include "base/lazy_instance.h"
@@ skipping 329 matching lines @@
 
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(RenderFrameHostImpl, msg)
     IPC_MESSAGE_HANDLER(FrameHostMsg_AddMessageToConsole, OnAddMessageToConsole)
     IPC_MESSAGE_HANDLER(FrameHostMsg_Detach, OnDetach)
     IPC_MESSAGE_HANDLER(FrameHostMsg_FrameFocused, OnFrameFocused)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DidStartProvisionalLoadForFrame,
                         OnDidStartProvisionalLoadForFrame)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DidFailProvisionalLoadWithError,
                         OnDidFailProvisionalLoadWithError)
-    IPC_MESSAGE_HANDLER(FrameHostMsg_DidRedirectProvisionalLoad,
-                        OnDidRedirectProvisionalLoad)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DidFailLoadWithError,
                         OnDidFailLoadWithError)
     IPC_MESSAGE_HANDLER_GENERIC(FrameHostMsg_DidCommitProvisionalLoad,
                                 OnDidCommitProvisionalLoad(msg))
     IPC_MESSAGE_HANDLER(FrameHostMsg_OpenURL, OnOpenURL)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DocumentOnLoadCompleted,
                         OnDocumentOnLoadCompleted)
     IPC_MESSAGE_HANDLER(FrameHostMsg_BeforeUnload_ACK, OnBeforeUnloadACK)
     IPC_MESSAGE_HANDLER(FrameHostMsg_SwapOut_ACK, OnSwapOutACK)
     IPC_MESSAGE_HANDLER(FrameHostMsg_ContextMenu, OnContextMenu)
@@ skipping 277 matching lines @@
     const GURL& url,
     int error_code,
     const base::string16& error_description) {
   GURL validated_url(url);
   GetProcess()->FilterURL(false, &validated_url);
 
   frame_tree_node_->navigator()->DidFailLoadWithError(
       this, validated_url, error_code, error_description);
 }
 
-void RenderFrameHostImpl::OnDidRedirectProvisionalLoad(
-    int32 page_id,
-    const GURL& source_url,
-    const GURL& target_url) {
-  frame_tree_node_->navigator()->DidRedirectProvisionalLoad(
-      this, page_id, source_url, target_url);
-}
-
 // Called when the renderer navigates.  For every frame loaded, we'll get this
 // notification containing parameters identifying the navigation.
 //
 // Subframes are identified by the page transition type.  For subframes loaded
 // as part of a wider page load, the page_id will be the same as for the top
 // level frame.  If the user explicitly requests a subframe navigation, we will
 // get a new page_id because we need to create a new navigation entry for that
 // action.
 void RenderFrameHostImpl::OnDidCommitProvisionalLoad(const IPC::Message& msg) {
   // Read the parameters out of the IPC message directly to avoid making another
@@ skipping 807 matching lines @@
   // Clear any state if a pending navigation is canceled or preempted.
   if (suspended_nav_params_)
     suspended_nav_params_.reset();
 
   TRACE_EVENT_ASYNC_END0("navigation",
                          "RenderFrameHostImpl navigation suspended", this);
   navigations_suspended_ = false;
 }
 
 }  // namespace content