Ensure that Chrome is visible in the dialog by default

chrome/browser/chromeos/arc/intent_helper/arc_navigation_throttle.h

Index: chrome/browser/chromeos/arc/intent_helper/arc_navigation_throttle.h
diff --git a/chrome/browser/chromeos/arc/intent_helper/arc_navigation_throttle.h b/chrome/browser/chromeos/arc/intent_helper/arc_navigation_throttle.h
index 0c7cf3e80e3819f12dc9b424102db64f90af7606..1adc4333b729830b0d00f5daac6cda3900e61d2b 100644
--- a/chrome/browser/chromeos/arc/intent_helper/arc_navigation_throttle.h
+++ b/chrome/browser/chromeos/arc/intent_helper/arc_navigation_throttle.h
@@ -72,13 +72,18 @@ class ArcNavigationThrottle : public content::NavigationThrottle {
       const mojo::Array<mojom::IntentHandlerInfoPtr>& handlers,
       const std::string& selected_app_package);
 
+  // Swaps Chrome app with any app in row |kMaxAppResults-1| iff its index is

[Yusuke Sato, 2016/11/05 01:19:26]

copied the comment from .cc as-is.

+  // bigger, thus ensuring the user can always see Chrome without scrolling.
+  // When swap is needed, fills |out_indices| and returns true. If |handlers|
+  // do not have Chrome, returns false.
+  static bool IsSwapElementsNeeded(
+      const mojo::Array<mojom::IntentHandlerInfoPtr>& handlers,
+      std::pair<size_t, size_t>* out_indices);
+
   static bool IsAppAvailableForTesting(
       const mojo::Array<mojom::IntentHandlerInfoPtr>& handlers);
   static size_t FindPreferredAppForTesting(
       const mojo::Array<mojom::IntentHandlerInfoPtr>& handlers);
-  static bool IsSwapElementsNeededForTesting(
-      const mojo::Array<mojom::IntentHandlerInfoPtr>& handlers,
-      std::pair<size_t, size_t>* out_indices);
 
  private:
   // content::Navigation implementation: