mash_unittests: Enable RootWindowControllerTest.MoveWindows_Basic.

ash/test/ash_test_helper.cc

 // Copyright 2013 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 "ash/test/ash_test_helper.h"
 
 #include "ash/accelerators/accelerator_controller_delegate_aura.h"
 #include "ash/common/test/test_session_state_delegate.h"
 #include "ash/common/test/test_system_tray_delegate.h"
 #include "ash/common/test/wm_shell_test_api.h"
@@ skipping 217 matching lines @@
 
 aura::Window* AshTestHelper::CurrentContext() {
   aura::Window* root_window = Shell::GetTargetRootWindow();
   if (!root_window)
     root_window = Shell::GetPrimaryRootWindow();
   DCHECK(root_window);
   return root_window;
 }
 
 void AshTestHelper::UpdateDisplayForMash(const std::string& display_spec) {
+  // TODO(erg): This is not equivalent to display::DisplayManager::
+  // UpdateDisplaysWith(). This does not calculate all the internal metric
+  // changes, does not calculate focus changes and does not dispatch to all the
+  // observers in ash which want to be notified about the previous two.
+  //
+  // Once this is fixed, RootWindowControllerTest.MoveWindows_Basic, among
+  // other unit tests, should work. http://crbug.com/695632.
   CHECK(IsMash());
   const std::vector<std::string> parts = base::SplitString(
       display_spec, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
   std::vector<RootWindowController*> root_window_controllers =
       GetRootsOrderedByDisplayId();
   int next_x = 0;
   for (size_t i = 0,
               end = std::min(parts.size(), root_window_controllers.size());
        i < end; ++i) {
     UpdateDisplay(root_window_controllers[i], parts[i], &next_x);
@@ skipping 109 matching lines @@
   std::set<RootWindowController*> roots =
       window_manager_app_->window_manager()->GetRootWindowControllers();
   std::vector<RootWindowController*> ordered_roots;
   ordered_roots.insert(ordered_roots.begin(), roots.begin(), roots.end());
   std::sort(ordered_roots.begin(), ordered_roots.end(), &CompareByDisplayId);
   return ordered_roots;
 }
 
 }  // namespace test
 }  // namespace ash