app_list: Fix shadow bleeds over launcher button and steals mouse events

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/string_util.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/activation_change_observer.h"
@@ skipping 73 matching lines @@
     gfx::Point origin = bounds->origin();
     screen_position_client->ConvertToScreenPoint(&origin);
     bounds->set_origin(origin);
   }
 }
 
 }  // namespace
 
 // Used when SetInactiveRenderingDisabled() is invoked to track when active
 // status changes in such a way that we should enable inactive rendering.
-class NativeWidgetAura::ActiveWindowObserver :
-    public aura::WindowObserver,
-    public aura::client::ActivationChangeObserver {
+class NativeWidgetAura::ActiveWindowObserver
+    : public aura::WindowObserver,
+      public aura::client::ActivationChangeObserver {
  public:
   explicit ActiveWindowObserver(NativeWidgetAura* host) : host_(host) {
     host_->GetNativeView()->GetRootWindow()->AddObserver(this);
     host_->GetNativeView()->AddObserver(this);
     aura::client::GetActivationClient(host_->GetNativeView()->GetRootWindow())->
         AddObserver(this);
   }
   virtual ~ActiveWindowObserver() {
     CleanUpObservers();
   }
@@ skipping 204 matching lines @@
 void* NativeWidgetAura::GetNativeWindowProperty(const char* name) const {
   return window_ ? window_->GetNativeWindowProperty(name) : NULL;
 }
 
 TooltipManager* NativeWidgetAura::GetTooltipManager() const {
   return tooltip_manager_.get();
 }
 
 bool NativeWidgetAura::IsScreenReaderActive() const {
   // http://crbug.com/102570
-  //NOTIMPLEMENTED();
+  // NOTIMPLEMENTED();
   return false;
 }
 
 void NativeWidgetAura::SendNativeAccessibilityEvent(
     View* view,
     ui::AccessibilityTypes::Event event_type) {
   // http://crbug.com/102570
-  //NOTIMPLEMENTED();
+  // NOTIMPLEMENTED();
 }
 
 void NativeWidgetAura::SetCapture() {
   window_->SetCapture();
 }
 
 void NativeWidgetAura::ReleaseCapture() {
   window_->ReleaseCapture();
 }
 
@@ skipping 56 matching lines @@
   window_->set_title(title);
 }
 
 void NativeWidgetAura::SetWindowIcons(const gfx::ImageSkia& window_icon,
                                       const gfx::ImageSkia& app_icon) {
   // Aura doesn't have window icons.
 }
 
 void NativeWidgetAura::SetAccessibleName(const string16& name) {
   // http://crbug.com/102570
-  //NOTIMPLEMENTED();
+  // NOTIMPLEMENTED();
 }
 
 void NativeWidgetAura::SetAccessibleRole(ui::AccessibilityTypes::Role role) {
   // http://crbug.com/102570
-  //NOTIMPLEMENTED();
+  // NOTIMPLEMENTED();
 }
 
 void NativeWidgetAura::SetAccessibleState(ui::AccessibilityTypes::State state) {
   // http://crbug.com/102570
-  //NOTIMPLEMENTED();
+  // NOTIMPLEMENTED();
 }
 
 void NativeWidgetAura::InitModalType(ui::ModalType modal_type) {
   if (modal_type != ui::MODAL_TYPE_NONE)
     window_->SetProperty(aura::client::kModalKey, modal_type);
 }
 
 gfx::Rect NativeWidgetAura::GetWindowScreenBounds() const {
   gfx::Rect bounds = window_->GetBoundsInRootWindow();
   AdjustScreenBounds(window_, &bounds);
@@ skipping 176 matching lines @@
 void NativeWidgetAura::SetUseDragFrame(bool use_drag_frame) {
   NOTIMPLEMENTED();
 }
 
 void NativeWidgetAura::FlashFrame(bool flash) {
   window_->SetProperty(aura::client::kDrawAttentionKey, flash);
 }
 
 bool NativeWidgetAura::IsAccessibleWidget() const {
   // http://crbug.com/102570
-  //NOTIMPLEMENTED();
+  // NOTIMPLEMENTED();
   return false;
 }
 
 void NativeWidgetAura::RunShellDrag(View* view,
                                     const ui::OSExchangeData& data,
                                     const gfx::Point& location,
                                     int operation) {
   views::RunShellDrag(window_, data, location, operation);
 }
 
@@ skipping 178 matching lines @@
   tooltip_manager_.reset();
   delegate_->OnNativeWidgetDestroyed();
   if (ownership_ == Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET)
     delete this;
 }
 
 void NativeWidgetAura::OnWindowVisibilityChanged(bool visible) {
   delegate_->OnNativeWidgetVisibilityChanged(visible);
 }
 
+bool NativeWidgetAura::HasHitTestMask() const {
+  return delegate_->HasHitTestMask();
+}
+
+void NativeWidgetAura::GetHitTestMask(gfx::Path* mask) const {
+  DCHECK(mask);
+  delegate_->GetHitTestMask(mask);
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // NativeWidgetAura, aura::ActivationDelegate implementation:
 
 bool NativeWidgetAura::ShouldActivate(const aura::Event* event) {
   return can_activate_ && delegate_->CanActivate();
 }
 
 void NativeWidgetAura::OnActivated() {
   if (GetWidget()->HasFocusManager())
     GetWidget()->GetFocusManager()->RestoreFocusedView();
@@ skipping 166 matching lines @@
   return aura::Env::GetInstance()->is_mouse_button_down();
 }
 
 // static
 bool NativeWidgetPrivate::IsTouchDown() {
   return aura::Env::GetInstance()->is_touch_down();
 }
 
 }  // namespace internal
 }  // namespace views