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views/widget/native_widget_aura.cc

Index: views/widget/native_widget_aura.cc
===================================================================
--- views/widget/native_widget_aura.cc	(revision 101374)
+++ views/widget/native_widget_aura.cc	(working copy)
@@ -372,6 +372,12 @@
 ////////////////////////////////////////////////////////////////////////////////
 // NativeWidgetAura, aura::WindowDelegate implementation:
 
+void NativeWidgetAura::OnBoundsChanged(const gfx::Rect& old_bounds,
+                                       const gfx::Rect& new_bounds) {
+  if (old_bounds.size() != new_bounds.size())
+    delegate_->OnNativeWidgetSizeChanged(new_bounds.size());
+}
+
 void NativeWidgetAura::OnFocus() {
   delegate_->OnNativeFocus(window_);
 }