Call OnNativeWindowChanged after maximizing and restoring.

ui/views/widget/widget.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 "ui/views/widget/widget.h"
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 1109 matching lines @@
 void Widget::OnNativeWidgetSizeChanged(const gfx::Size& new_size) {
   View* root = GetRootView();
   if (root) {
     root->SetSize(new_size);
     if (root->GetFocusManager()) {
       View* focused_view = GetRootView()->GetFocusManager()->GetFocusedView();
       if (focused_view && focused_view->GetInputMethod())
         focused_view->GetInputMethod()->OnCaretBoundsChanged(focused_view);
     }
   }
   // Size changed notifications can fire prior to full initialization

[sky, 2014/08/11 16:09:19]

Make your new code and this call into a SaveWindowPlacementIfNecessary() (or
similarly named method) and update the comment.

[jackhou1, 2014/08/12 05:23:44]

Done.

   // i.e. during session restore.  Avoid saving session state during these
   // startup procedures.
   if (native_widget_initialized_)
     SaveWindowPlacement();
 
   FOR_EACH_OBSERVER(WidgetObserver, observers_, OnWidgetBoundsChanged(
     this,
     GetWindowBoundsInScreen()));
 }
 
+void Widget::OnNativeWidgetWindowShowStateChanged() {
+  // Size changed notifications can fire prior to full initialization
+  // i.e. during session restore.  Avoid saving session state during these
+  // startup procedures.
+  if (native_widget_initialized_)
+    SaveWindowPlacement();
+}
+
 void Widget::OnNativeWidgetBeginUserBoundsChange() {
   widget_delegate_->OnWindowBeginUserBoundsChange();
 }
 
 void Widget::OnNativeWidgetEndUserBoundsChange() {
   widget_delegate_->OnWindowEndUserBoundsChange();
 }
 
 bool Widget::HasFocusManager() const {
   return !!focus_manager_.get();
@@ skipping 360 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // internal::NativeWidgetPrivate, NativeWidget implementation:
 
 internal::NativeWidgetPrivate* NativeWidgetPrivate::AsNativeWidgetPrivate() {
   return this;
 }
 
 }  // namespace internal
 }  // namespace views