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

chrome/browser/ui/gtk/browser_window_gtk.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/ui/gtk/browser_window_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 
 #include <dlfcn.h>
 #include <string>
@@ skipping 774 matching lines @@
 
 void BrowserWindowGtk::UpdateDevTools() {
   UpdateDevToolsForContents(
       browser_->GetSelectedTabContents());
 }
 
 void BrowserWindowGtk::UpdateLoadingAnimations(bool should_animate) {
   if (should_animate) {
     if (!loading_animation_timer_.IsRunning()) {
       // Loads are happening, and the timer isn't running, so start it.
-      loading_animation_timer_.Start(FROM_HERE,
+      loading_animation_timer_.Start(
           base::TimeDelta::FromMilliseconds(kLoadingAnimationFrameTimeMs), this,
           &BrowserWindowGtk::LoadingAnimationCallback);
     }
   } else {
     if (loading_animation_timer_.IsRunning()) {
       loading_animation_timer_.Stop();
       // Loads are now complete, update the state if a task was scheduled.
       LoadingAnimationCallback();
     }
   }
@@ skipping 606 matching lines @@
   // than any window manager decorations, if enabled), so we need to call
   // gtk_window_get_position() to get the right values.  (Otherwise session
   // restore, if enabled, will restore windows to incorrect positions.)  That's
   // a round trip to the X server though, so we set a debounce timer and only
   // call it (in OnDebouncedBoundsChanged() below) after we haven't seen a
   // reconfigure event in a short while.
   // We don't use Reset() because the timer may not yet be running.
   // (In that case Stop() is a no-op.)
   if (!debounce_timer_disabled_) {
     window_configure_debounce_timer_.Stop();
-    window_configure_debounce_timer_.Start(FROM_HERE,
-        base::TimeDelta::FromMilliseconds(kDebounceTimeoutMilliseconds), this,
+    window_configure_debounce_timer_.Start(base::TimeDelta::FromMilliseconds(
+        kDebounceTimeoutMilliseconds), this,
         &BrowserWindowGtk::OnDebouncedBoundsChanged);
   }
 
   return FALSE;
 }
 
 void BrowserWindowGtk::OnDebouncedBoundsChanged() {
   gint x, y;
   gtk_window_get_position(window_, &x, &y);
   gfx::Point origin(x, y);
@@ skipping 936 matching lines @@
   // are taken from the WMs' source code.
   return (wm_name == "Blackbox" ||
           wm_name == "compiz" ||
           wm_name == "Compiz" ||
           wm_name == "e16" ||  // Enlightenment DR16
           wm_name == "Metacity" ||
           wm_name == "Mutter" ||
           wm_name == "Openbox" ||
           wm_name == "Xfwm4");
 }