Remove deprecated navigation callbacks on WebContentsObserver that are now unused.

content/test/web_contents_observer_sanity_checker.cc

 // Copyright 2014 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/test/web_contents_observer_sanity_checker.h"
 
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/common/frame_messages.h"
@@ skipping 191 matching lines @@
           !navigation_handle->IsErrorPage()) ||
         navigation_handle->GetNetErrorCode() == net::OK);
   CHECK_EQ(navigation_handle->GetWebContents(), web_contents());
 
   CHECK(!navigation_handle->HasCommitted() ||
         navigation_handle->GetRenderFrameHost() != nullptr);
 
   ongoing_navigations_.erase(navigation_handle);
 }
 
-void WebContentsObserverSanityChecker::DidStartProvisionalLoadForFrame(
-    RenderFrameHost* render_frame_host,
-    const GURL& validated_url,
-    bool is_error_page) {
-  AssertRenderFrameExists(render_frame_host);
-}
-
-void WebContentsObserverSanityChecker::DidCommitProvisionalLoadForFrame(
-    RenderFrameHost* render_frame_host,
-    const GURL& url,
-    ui::PageTransition transition_type) {
-  AssertRenderFrameExists(render_frame_host);
-}
-
-void WebContentsObserverSanityChecker::DidFailProvisionalLoad(
-    RenderFrameHost* render_frame_host,
-    const GURL& validated_url,
-    int error_code,
-    const base::string16& error_description,
-    bool was_ignored_by_handler) {
-  AssertRenderFrameExists(render_frame_host);
-}
-
-void WebContentsObserverSanityChecker::DidNavigateMainFrame(
-    const LoadCommittedDetails& details,
-    const FrameNavigateParams& params) {
-  AssertMainFrameExists();
-}
-
-void WebContentsObserverSanityChecker::DidNavigateAnyFrame(
-    RenderFrameHost* render_frame_host,
-    const LoadCommittedDetails& details,
-    const FrameNavigateParams& params) {
-  AssertRenderFrameExists(render_frame_host);
-}
-
 void WebContentsObserverSanityChecker::DocumentAvailableInMainFrame() {
   AssertMainFrameExists();
 }
 
 void WebContentsObserverSanityChecker::DocumentOnLoadCompletedInMainFrame() {
   AssertMainFrameExists();
 }
 
 void WebContentsObserverSanityChecker::DocumentLoadedInFrame(
     RenderFrameHost* render_frame_host) {
@@ skipping 148 matching lines @@
       if (live_routes_.count(entry.first))
         return true;
       if (current_hosts_.count(entry.first))
         return true;
     }
   }
   return false;
 }
 
 }  // namespace content