Make the minimized home card not overlap activities on Athena

athena/wm/window_manager_impl.cc

 // Copyright 2014 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 "athena/wm/window_manager_impl.h"
 
 #include <algorithm>
 
 #include "athena/common/container_priorities.h"
 #include "athena/screen/public/screen_manager.h"
@@ skipping 72 matching lines @@
     } else {
       window->SetBounds(gfx::Rect(work_area));
     }
   }
 }
 
 void AthenaContainerLayoutManager::OnWindowAddedToLayout(aura::Window* child) {
   aura::Window::Windows list = instance->window_list_provider_->GetWindowList();
   if (std::find(list.begin(), list.end(), child) == list.end())
     return;
-  aura::Window* window = NULL;
-  if (instance->split_view_controller_->IsSplitViewModeActive())
-    window = instance->split_view_controller_->left_window();
-  else
-    window = instance->container_.get();
-  CHECK(window);
-  child->SetBounds(gfx::Rect(window->bounds().size()));
+  gfx::Size size;
+  if (instance->split_view_controller_->IsSplitViewModeActive()) {
+    size = instance->split_view_controller_->left_window()->bounds().size();
+  } else {
+    size =
+        gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().work_area().size();
+  }
+  child->SetBounds(gfx::Rect(size));
 }
 
 void AthenaContainerLayoutManager::OnWillRemoveWindowFromLayout(
     aura::Window* child) {
 }
 
 void AthenaContainerLayoutManager::OnWindowRemovedFromLayout(
     aura::Window* child) {
 }
 
@@ skipping 221 matching lines @@
   DCHECK(!instance);
 }
 
 // static
 WindowManager* WindowManager::GetInstance() {
   DCHECK(instance);
   return instance;
 }
 
 }  // namespace athena