Purge the App Launcher code from Windows.

ui/app_list/views/app_list_view.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/app_list/views/app_list_view.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/macros.h"
@@ skipping 32 matching lines @@
 #include "ui/views/controls/textfield/textfield.h"
 #include "ui/views/layout/fill_layout.h"
 #include "ui/views/views_delegate.h"
 #include "ui/views/widget/widget.h"
 
 #if defined(USE_AURA)
 #include "ui/aura/window.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/views/bubble/bubble_window_targeter.h"
 #include "ui/wm/core/masked_window_targeter.h"
-#if defined(OS_WIN)
-#include "ui/base/win/shell.h"
-#endif
 #if !defined(OS_CHROMEOS)
 #include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
 #endif
 #endif  // defined(USE_AURA)
 
 namespace app_list {
 
 namespace {
 
 // The margin from the edge to the speech UI.
 const int kSpeechUIMargin = 12;
 
 // The vertical position for the appearing animation of the speech UI.
 const float kSpeechUIAppearingPosition = 12;
 
 // The distance between the arrow tip and edge of the anchor view.
 const int kArrowOffset = 10;
 
 // Determines whether the current environment supports shadows bubble borders.
 bool SupportsShadow() {
-#if defined(OS_WIN)
-  // Shadows are not supported on Windows without Aero Glass.
-  if (!ui::win::IsAeroGlassEnabled() ||
-      base::CommandLine::ForCurrentProcess()->HasSwitch(
-          ::switches::kDisableDwmComposition)) {
-    return false;
-  }
-#elif defined(OS_LINUX) && !defined(OS_CHROMEOS)
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
   // Shadows are not supported on (non-ChromeOS) Linux.
   return false;
 #endif
   return true;
 }
 
 // This view forwards the focus to the search box widget by providing it as a
 // FocusTraversable when a focus search is provided.
 class SearchBoxFocusHost : public views::View {
  public:
@@ skipping 253 matching lines @@
 }
 
 void AppListView::OnPaint(gfx::Canvas* canvas) {
   views::BubbleDialogDelegateView::OnPaint(canvas);
   if (!next_paint_callback_.is_null()) {
     next_paint_callback_.Run();
     next_paint_callback_.Reset();
   }
 }
 
-void AppListView::OnThemeChanged() {
-#if defined(OS_WIN)
-  GetWidget()->Close();
-#endif
-}
-
 bool AppListView::ShouldHandleSystemCommands() const {
   return true;
 }
 
 bool AppListView::ShouldDescendIntoChildForEventHandling(
     gfx::NativeView child,
     const gfx::Point& location) {
   // While on the start page, don't descend into the custom launcher page. Since
   // the only valid action is to open it.
   ContentsView* contents_view = app_list_main_view_->contents_view();
@@ skipping 31 matching lines @@
 
 void AppListView::RemoveObserver(AppListViewObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
 // static
 void AppListView::SetNextPaintCallback(const base::Closure& callback) {
   next_paint_callback_ = callback;
 }
 
-#if defined(OS_WIN)
-HWND AppListView::GetHWND() const {
-  gfx::NativeWindow window =
-      GetWidget()->GetTopLevelWidget()->GetNativeWindow();
-  return window->GetHost()->GetAcceleratedWidget();
-}
-#endif
-
 PaginationModel* AppListView::GetAppsPaginationModel() {
   return app_list_main_view_->contents_view()
       ->apps_container_view()
       ->apps_grid_view()
       ->pagination_model();
 }
 
 void AppListView::InitContents(gfx::NativeView parent, int initial_apps_page) {
   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440224 and
   // crbug.com/441028 are fixed.
@@ skipping 161 matching lines @@
     views::ViewsDelegate* views_delegate = views::ViewsDelegate::GetInstance();
     if (views_delegate && !views_delegate->native_widget_factory().is_null()) {
       params->native_widget =
           views_delegate->native_widget_factory().Run(*params, widget);
     }
   }
 #if defined(USE_AURA) && !defined(OS_CHROMEOS)
   if (!params->native_widget && delegate_ && delegate_->ForceNativeDesktop())
     params->native_widget = new views::DesktopNativeWidgetAura(widget);
 #endif
-#if defined(OS_WIN)
-  // Windows 7 and higher offer pinning to the taskbar, but we need presence
-  // on the taskbar for the user to be able to pin us. So, show the window on
-  // the taskbar for these versions of Windows.
-  if (base::win::GetVersion() >= base::win::VERSION_WIN7)
-    params->force_show_in_taskbar = true;
-#elif defined(OS_LINUX)
+#if defined(OS_LINUX)
   // Set up a custom WM_CLASS for the app launcher window. This allows task
   // switchers in X11 environments to distinguish it from main browser windows.
   params->wm_class_name = kAppListWMClass;
   // Show the window in the taskbar, even though it is a bubble, which would not
   // normally be shown.
   params->force_show_in_taskbar = true;

[tapted, 2016/07/20 01:15:34]

we should delete Widget::InitParams::force_show_in_taskbar when we purge this on
linux #reminder

[calamity, 2016/07/25 02:34:22]

Acknowledged.

 #endif
 }
 
 int AppListView::GetDialogButtons() const {
   return ui::DIALOG_BUTTON_NONE;
 }
 
 views::View* AppListView::GetInitiallyFocusedView() {
   return app_list_main_view_->search_box_view()->search_box();
 }
@@ skipping 153 matching lines @@
     app_list_main_view_->SetVisible(true);
     // Refocus the search box. However, if the app list widget does not have
     // focus, it means another window has already taken focus, and we *must not*
     // focus the search box (or we would steal focus back into the app list).
     if (GetWidget()->IsActive())
       search_box_view_->search_box()->RequestFocus();
   }
 }
 
 }  // namespace app_list