Adding a ScrollView for IntentPickerBubbleView

chrome/browser/ui/views/intent_picker_bubble_view.h

Index: chrome/browser/ui/views/intent_picker_bubble_view.h
diff --git a/chrome/browser/ui/views/intent_picker_bubble_view.h b/chrome/browser/ui/views/intent_picker_bubble_view.h
index ae516f2db1caeb38cbbdf44a6de3a17e6637f78f..26b0381bdb0a823fcb726a0519c2c80dfeea0da5 100644
--- a/chrome/browser/ui/views/intent_picker_bubble_view.h
+++ b/chrome/browser/ui/views/intent_picker_bubble_view.h
@@ -21,7 +21,6 @@ class NavigationHandle;
 }  // namespace content
 
 namespace views {
-class EventMonitor;
 class Label;
 class LabelButton;
 class View;
@@ -60,9 +59,16 @@ class IntentPickerBubbleView : public views::BubbleDialogDelegateView,
   using ThrottleCallback =
       base::Callback<void(size_t, arc::ArcNavigationThrottle::CloseReason)>;
 
+  ~IntentPickerBubbleView() override;
   static void ShowBubble(content::NavigationHandle* handle,
                          const std::vector<NameAndIcon>& app_info,
                          const ThrottleCallback& throttle_cb);
+  static std::unique_ptr<IntentPickerBubbleView> CreateBubbleForTesting(
+      const std::vector<NameAndIcon>& app_info,
+      const ThrottleCallback& throttle_cb,
+      content::WebContents* web_contents);
+  size_t GetAppInfoSizeForTesting() const;
+  views::LabelButton* GetLabelButtonAtForTesting(size_t index);
 
  protected:
   // views::BubbleDialogDelegateView overrides:
@@ -72,7 +78,6 @@ class IntentPickerBubbleView : public views::BubbleDialogDelegateView,
   IntentPickerBubbleView(const std::vector<NameAndIcon>& app_info,
                          ThrottleCallback throttle_cb,
                          content::WebContents* web_contents);
-  ~IntentPickerBubbleView() override;
 
   // views::BubbleDialogDelegateView overrides:
   void OnWidgetDestroying(views::Widget* widget) override;
@@ -87,6 +92,11 @@ class IntentPickerBubbleView : public views::BubbleDialogDelegateView,
   // content::WebContentsObserver overrides:
   void WebContentsDestroyed() override;
 
+  // Retrieves the LabelButton* contained at position |index| from the internal
+  // ScrollView.
+  views::LabelButton* GetLabelButtonAt(size_t index);
+  void SetLabelButtonBackgroundColor(size_t index, SkColor color);
+
   // Flag set to true iff the callback was Run at some previous step, used to
   // ensure we only use the callback once.
   bool was_callback_run_;
@@ -99,6 +109,7 @@ class IntentPickerBubbleView : public views::BubbleDialogDelegateView,
 
   views::LabelButton* always_button_;
   views::LabelButton* just_once_button_;
+  views::ScrollView* scroll_view_;
 
   std::vector<NameAndIcon> app_info_;