Add new DialogDelegate for dialogs in the App List

ui/app_list/views/app_list_view.cc

Index: ui/app_list/views/app_list_view.cc
diff --git a/ui/app_list/views/app_list_view.cc b/ui/app_list/views/app_list_view.cc
index 784abab063db2b67e7a38d344aa3341691b36835..edbe25259cc54a48d43f32eadb879a927cf01761 100644
--- a/ui/app_list/views/app_list_view.cc
+++ b/ui/app_list/views/app_list_view.cc
@@ -25,7 +25,6 @@
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_animation_observer.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
-#include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/insets.h"
 #include "ui/gfx/path.h"
@@ -76,28 +75,6 @@ bool SupportsShadow() {
   return true;
 }
 
-// The background for the App List overlay, which appears as a white rounded
-// rectangle with the given radius and the same size as the target view.
-class AppListOverlayBackground : public views::Background {
- public:
-  AppListOverlayBackground(int corner_radius)
-      : corner_radius_(corner_radius) {};
-  virtual ~AppListOverlayBackground() {};
-
-  // Overridden from views::Background:
-  virtual void Paint(gfx::Canvas* canvas, views::View* view) const OVERRIDE {
-    SkPaint paint;
-    paint.setStyle(SkPaint::kFill_Style);
-    paint.setColor(SK_ColorWHITE);
-    canvas->DrawRoundRect(view->GetContentsBounds(), corner_radius_, paint);
-  }
-
- private:
-  const int corner_radius_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppListOverlayBackground);
-};
-
 }  // namespace
 
 // An animation observer to hide the view at the end of the animation.
@@ -146,7 +123,6 @@ AppListView::AppListView(AppListViewDelegate* delegate)
     : delegate_(delegate),
       app_list_main_view_(NULL),
       speech_view_(NULL),
-      overlay_view_(NULL),
       animation_observer_(new HideViewAnimationObserver()) {
   CHECK(delegate);
 
@@ -214,11 +190,6 @@ void AppListView::UpdateBounds() {
   SizeToContents();
 }
 
-void AppListView::SetAppListOverlayVisible(bool visible) {
-  DCHECK(overlay_view_);
-  overlay_view_->SetVisible(visible);
-}
-
 bool AppListView::ShouldCenterWindow() const {
   return delegate_->ShouldCenterWindow();
 }
@@ -346,28 +317,6 @@ void AppListView::InitAsBubbleInternal(gfx::NativeView parent,
   GetWidget()->Hide();
 #endif
 
-  // To make the overlay view, construct a view with a white background, rather
-  // than a white rectangle in it. This is because we need overlay_view_ to be
-  // drawn to its own layer (so it appears correctly in the foreground).
-  const float kOverlayOpacity = 0.75f;
-  overlay_view_ = new views::View();
-  overlay_view_->SetPaintToLayer(true);
-  overlay_view_->layer()->SetOpacity(kOverlayOpacity);
-  overlay_view_->SetBoundsRect(GetContentsBounds());
-  overlay_view_->SetVisible(false);
-
-  // On platforms that don't support a shadow, the rounded border of the app
-  // list is constructed _inside_ the view, so a rectangular background goes
-  // over the border in the rounded corners. To fix this, give the background a
-  // corner radius 1px smaller than the outer border, so it just reaches but
-  // doesn't cover it.
-  const int kOverlayCornerRadius =
-      GetBubbleFrameView()->bubble_border()->GetBorderCornerRadius();
-  overlay_view_->set_background(new AppListOverlayBackground(
-      kOverlayCornerRadius - (SupportsShadow() ? 0 : 1)));
-
-  AddChildView(overlay_view_);
-
   if (delegate_)
     delegate_->ViewInitialized();
 }