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

chrome/browser/chromeos/arc/accessibility/arc_accessibility_helper_bridge.h

Index: chrome/browser/chromeos/arc/accessibility/arc_accessibility_helper_bridge.h
diff --git a/chrome/browser/chromeos/arc/accessibility/arc_accessibility_helper_bridge.h b/chrome/browser/chromeos/arc/accessibility/arc_accessibility_helper_bridge.h
index 1cc84f927adfd69f38ac00b08f674971545c3018..09698ea2a743bb6658c114e94b45baf146a38bb1 100644
--- a/chrome/browser/chromeos/arc/accessibility/arc_accessibility_helper_bridge.h
+++ b/chrome/browser/chromeos/arc/accessibility/arc_accessibility_helper_bridge.h
@@ -14,6 +14,10 @@
 #include "mojo/public/cpp/bindings/binding.h"
 #include "ui/accessibility/ax_host_delegate.h"
 
+namespace {

[hidehiko, 2017/04/21 06:27:02]

Please do not declare anonymous namespace in header.

You can use nested class, instead.

[Luis Héctor Chávez, 2017/04/21 15:20:07]

If you don't want to use nested class, you can call
|static_cast<FocusStealer*>(focus_stealer_.get())| in the .cc

+class FocusStealer;
+}
+
 namespace views {
 
 class View;
@@ -47,6 +51,7 @@ class ArcAccessibilityHelperBridge
       mojom::AccessibilityNodeInfoDataPtr event_source) override;
   void OnAccessibilityEvent(
       mojom::AccessibilityEventDataPtr event_data) override;
+  void OnAccessibilityTreeDestroyed() override;
 
  private:
   // exo::WMHelper::ActivationObserver overrides.
@@ -59,7 +64,7 @@ class ArcAccessibilityHelperBridge
   mojo::Binding<mojom::AccessibilityHelperHost> binding_;
 
   std::unique_ptr<AXTreeSourceArc> tree_source_;
-  std::unique_ptr<views::View> focus_stealer_;
+  std::unique_ptr<FocusStealer> focus_stealer_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcAccessibilityHelperBridge);
 };