Revert "Currently, base/timer.cc calls PostTask with FROM_HERE as the Location,

content/renderer/render_view.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 "content/renderer/render_view.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 1770 matching lines @@
 
   if (nav_state_sync_timer_.IsRunning()) {
     // The timer is already running. If the delay of the timer maches the amount
     // we want to delay by, then return. Otherwise stop the timer so that it
     // gets started with the right delay.
     if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay)
       return;
     nav_state_sync_timer_.Stop();
   }
 
-  nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
-                              &RenderView::SyncNavigationState);
+  nav_state_sync_timer_.Start(
+      TimeDelta::FromSeconds(delay), this, &RenderView::SyncNavigationState);
 }
 
 void RenderView::setMouseOverURL(const WebURL& url) {
   mouse_over_url_ = GURL(url);
   UpdateTargetURL(mouse_over_url_, focus_url_);
 }
 
 void RenderView::setKeyboardFocusURL(const WebURL& url) {
   focus_url_ = GURL(url);
   UpdateTargetURL(focus_url_, mouse_over_url_);
@@ skipping 1032 matching lines @@
 
 void RenderView::didUpdateLayout(WebFrame* frame) {
   // We don't always want to set up a timer, only if we've been put in that
   // mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
   // message.
   if (!send_preferred_size_changes_ || !webview())
     return;
 
   if (check_preferred_size_timer_.IsRunning())
     return;
-  check_preferred_size_timer_.Start(FROM_HERE,
-                                    TimeDelta::FromMilliseconds(0), this,
+  check_preferred_size_timer_.Start(TimeDelta::FromMilliseconds(0), this,
                                     &RenderView::CheckPreferredSize);
 }
 
 void RenderView::CheckPreferredSize() {
   // We don't always want to send the change messages over IPC, only if we've
   // been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
   // message.
   if (!send_preferred_size_changes_ || !webview())
     return;
 
@@ skipping 1724 matching lines @@
 }
 
 void RenderView::OnEnableViewSourceMode() {
   if (!webview())
     return;
   WebFrame* main_frame = webview()->mainFrame();
   if (!main_frame)
     return;
   main_frame->enableViewSourceMode(true);
 }