Expand Chrome OS ARC support to create one tree source per package

ui/views/focus/focus_manager.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/focus/focus_manager.h"
 
 #include <algorithm>
 #include <cstring>
 #include <vector>
 
@@ skipping 297 matching lines @@
     return;
 
   keyboard_accessible_ = keyboard_accessible;
   // Disabling keyboard accessibility may cause the focused view to become not
   // focusable. Hence advance focus if necessary.
   AdvanceFocusIfNecessary();
 }
 
 void FocusManager::SetFocusedViewWithReason(
     View* view, FocusChangeReason reason) {
-  if (focused_view_ == view)
+  if (focused_view_ == view) {
+    LOG(ERROR) << "equal focus!";

[yawano, 2017/04/25 09:29:23]

nit: Please remove logs which you have added for debug. Same with view.cc.

[David Tseng, 2017/04/25 22:48:03]

Acknowledged.

     return;
+  }
+
+  LOG(ERROR) << "setting focus!";
   // TODO(oshima|achuith): This is to diagnose crbug.com/687232.
   // Change this to DCHECK once it's resolved.
   CHECK(!view || ContainsView(view));
 
 #if !defined(OS_MACOSX)
   // TODO(warx): There are some AccessiblePaneViewTest failed on macosx.
   // crbug.com/650859. Remove !defined(OS_MACOSX) once that is fixed.
   //
   // If the widget isn't active store the focused view and then attempt to
   // activate the widget. If activation succeeds |view| will be focused.
   // If activation fails |view| will be focused the next time the widget is
   // made active.
   if (view && !widget_->IsActive()) {
     SetStoredFocusView(view);
     widget_->Activate();
     return;
   }
 #endif
 
   // Update the reason for the focus change (since this is checked by
   // some listeners), then notify all listeners.
   focus_change_reason_ = reason;
   for (FocusChangeListener& observer : focus_change_listeners_)
     observer.OnWillChangeFocus(focused_view_, view);
 
   View* old_focused_view = focused_view_;
   focused_view_ = view;
+  LOG(ERROR) << "focus set!";
   if (old_focused_view) {
     old_focused_view->RemoveObserver(this);
     old_focused_view->Blur();
   }
   // Also make |focused_view_| the stored focus view. This way the stored focus
   // view is remembered if focus changes are requested prior to a show or while
   // hidden.
   SetStoredFocusView(focused_view_);
   if (focused_view_) {
     focused_view_->AddObserver(this);
@@ skipping 261 matching lines @@
     base::debug::Alias(&instruction_pointers_copy);
     base::debug::DumpWithoutCrashing();
     stack_when_focused_view_set_.reset();
   }
 
   focused_view_->RemoveObserver(this);
   focused_view_ = nullptr;
 }
 
 }  // namespace views