Makes Wiget::OnNativeWidgetMove() be invoked during a maximize

ui/views/widget/native_widget_aura.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/native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/strings/string_util.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/activation_client.h"
@@ skipping 695 matching lines @@
 gfx::Size NativeWidgetAura::GetMinimumSize() const {
   return delegate_->GetMinimumSize();
 }
 
 gfx::Size NativeWidgetAura::GetMaximumSize() const {
   return delegate_->GetMaximumSize();
 }
 
 void NativeWidgetAura::OnBoundsChanged(const gfx::Rect& old_bounds,
                                        const gfx::Rect& new_bounds) {
-  if (old_bounds.origin() != new_bounds.origin())
+  // Assume that if the old bounds was completely empty a move happened. This
+  // handles the case of a maximize animation acquiring the layer (acquiring a
+  // layer results in clearing the bounds).
+  if (old_bounds.origin() != new_bounds.origin() ||
+      (old_bounds == gfx::Rect(0, 0, 0, 0) && !new_bounds.IsEmpty())) {
     delegate_->OnNativeWidgetMove();
+  }
   if (old_bounds.size() != new_bounds.size())
     delegate_->OnNativeWidgetSizeChanged(new_bounds.size());
 }
 
 gfx::NativeCursor NativeWidgetAura::GetCursor(const gfx::Point& point) {
   return cursor_;
 }
 
 int NativeWidgetAura::GetNonClientComponent(const gfx::Point& point) const {
   return delegate_->GetNonClientComponent(point);
@@ skipping 410 matching lines @@
   return aura::Env::GetInstance()->IsMouseButtonDown();
 }
 
 // static
 bool NativeWidgetPrivate::IsTouchDown() {
   return aura::Env::GetInstance()->is_touch_down();
 }
 
 }  // namespace internal
 }  // namespace views