Desktop aura: Expand what the ViewsDelegate can do to new windows.

ui/views/widget/widget.cc

Index: ui/views/widget/widget.cc
diff --git a/ui/views/widget/widget.cc b/ui/views/widget/widget.cc
index 627e1cd17c5d2b792c988e985f78dc5c6bf6121b..644d1b91052f2db760a9c21f1f9404d68b44ab05 100644
--- a/ui/views/widget/widget.cc
+++ b/ui/views/widget/widget.cc
@@ -50,22 +50,12 @@ void BuildRootLayers(View* view, std::vector<ui::Layer*>* layers) {
 
 // Create a native widget implementation.
 // First, use the supplied one if non-NULL.
-// Second, ask the delegate.
 // Finally, make a default one.
 NativeWidget* CreateNativeWidget(NativeWidget* native_widget,
-                                 internal::NativeWidgetDelegate* delegate,
-                                 Widget::InitParams::Type type,
-                                 gfx::NativeView parent,
-                                 gfx::NativeView context) {
+                                 internal::NativeWidgetDelegate* delegate) {
   if (!native_widget) {
-    if (ViewsDelegate::views_delegate) {
-      native_widget = ViewsDelegate::views_delegate->CreateNativeWidget(
-          type, delegate, parent, context);
-    }
-    if (!native_widget) {
-      native_widget =
-          internal::NativeWidgetPrivate::CreateNativeWidget(delegate);
-    }
+    native_widget =
+        internal::NativeWidgetPrivate::CreateNativeWidget(delegate);
   }
   return native_widget;
 }
@@ -231,7 +221,12 @@ Widget::~Widget() {
 
 // static
 Widget* Widget::CreateWindow(WidgetDelegate* delegate) {
-  return CreateWindowWithParentAndBounds(delegate, NULL, gfx::Rect());
+  Widget* widget = new Widget;
+  Widget::InitParams params;
+  params.delegate = delegate;
+  params.top_level = true;
+  widget->Init(params);
+  return widget;
 }
 
 // static
@@ -339,7 +334,11 @@ bool Widget::RequiresNonClientView(InitParams::Type type) {
          type == InitParams::TYPE_BUBBLE;
 }
 
-void Widget::Init(const InitParams& params) {
+void Widget::Init(const InitParams& in_params) {
+  InitParams params = in_params;
+  if (ViewsDelegate::views_delegate)
+    ViewsDelegate::views_delegate->OnBeforeWidgetInit(&params, this);
+
   is_top_level_ = params.top_level ||
       (!params.child &&
        params.type != InitParams::TYPE_CONTROL &&
@@ -347,9 +346,8 @@ void Widget::Init(const InitParams& params) {
   widget_delegate_ = params.delegate ?
       params.delegate : new DefaultWidgetDelegate(this, params);
   ownership_ = params.ownership;
-  native_widget_ = CreateNativeWidget(
-      params.native_widget, this, params.type, params.parent, params.context)->
-          AsNativeWidgetPrivate();
+  native_widget_ = CreateNativeWidget(params.native_widget, this)->
+                   AsNativeWidgetPrivate();
   GetRootView();
   default_theme_provider_.reset(new DefaultThemeProvider);
   if (params.type == InitParams::TYPE_MENU) {