Add support for X11 workspaces

ui/views/widget/desktop_aura/desktop_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/desktop_aura/desktop_native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
@@ skipping 658 matching lines @@
 gfx::Rect DesktopNativeWidgetAura::GetClientAreaBoundsInScreen() const {
   return content_window_ ?
       desktop_window_tree_host_->GetClientAreaBoundsInScreen() : gfx::Rect();
 }
 
 gfx::Rect DesktopNativeWidgetAura::GetRestoredBounds() const {
   return content_window_ ?
       desktop_window_tree_host_->GetRestoredBounds() : gfx::Rect();
 }
 
+std::string DesktopNativeWidgetAura::GetWorkspace() const {
+  return content_window_ ?
+      desktop_window_tree_host_->GetWorkspace() : "";

[sky, 2016/05/03 17:40:53]

std::string()

[Tom (Use chromium acct), 2016/05/03 19:38:39]

Done.

+}
+
 void DesktopNativeWidgetAura::SetBounds(const gfx::Rect& bounds) {
   if (!content_window_)
     return;
   aura::Window* root = host_->window();
   gfx::Screen* screen = gfx::Screen::GetScreen();
   gfx::Rect bounds_in_pixels = screen->DIPToScreenRectInWindow(root, bounds);
   desktop_window_tree_host_->AsWindowTreeHost()->SetBounds(bounds_in_pixels);
 }
 
 void DesktopNativeWidgetAura::SetSize(const gfx::Size& size) {
@@ skipping 461 matching lines @@
     return;
 
   gfx::Rect new_bounds = gfx::Rect(host->window()->bounds().size());
   content_window_->SetBounds(new_bounds);
   // Can be NULL at start.
   if (content_window_container_)
     content_window_container_->SetBounds(new_bounds);
   native_widget_delegate_->OnNativeWidgetSizeChanged(new_bounds.size());
 }
 
+void DesktopNativeWidgetAura::OnHostWorkspaceChanged(
+    const aura::WindowTreeHost* host) {
+  native_widget_delegate_->OnNativeWidgetWorkspaceChanged();
+}
+
 void DesktopNativeWidgetAura::OnHostMoved(const aura::WindowTreeHost* host,
                                           const gfx::Point& new_origin) {
   TRACE_EVENT1("views", "DesktopNativeWidgetAura::OnHostMoved",
                "new_origin", new_origin.ToString());
 
   native_widget_delegate_->OnNativeWidgetMove();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // DesktopNativeWidgetAura, private:
@@ skipping 12 matching lines @@
   if (cursor_reference_count_ == 0) {
     // We are the last DesktopNativeWidgetAura instance, and we are responsible
     // for cleaning up |cursor_manager_|.
     delete cursor_manager_;
     native_cursor_manager_ = NULL;
     cursor_manager_ = NULL;
   }
 }
 
 }  // namespace views