Adding a ScrollView for IntentPickerBubbleView

chrome/browser/chromeos/arc/arc_navigation_throttle.h

 // Copyright 2016 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_ARC_ARC_NAVIGATION_THROTTLE_H_
 #define CHROME_BROWSER_CHROMEOS_ARC_ARC_NAVIGATION_THROTTLE_H_
 
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "components/arc/intent_helper/activity_icon_loader.h"
 #include "content/public/browser/navigation_throttle.h"
 #include "ui/gfx/image/image.h"
 
 namespace content {
 class NavigationHandle;
 }  // namespace content
 
 namespace arc {
 
-// Restricts the amount of apps displayed to the user without the need of a
-// ScrollView.
-constexpr size_t kMaxAppResults = 3;
-
 // A class that allow us to retrieve ARC app's information and handle URL
 // traffic initiated on Chrome browser, either on Chrome or an ARC's app.
 class ArcNavigationThrottle : public content::NavigationThrottle {
  public:
   // These enums are used to define the buckets for an enumerated UMA histogram
   // and need to be synced with histograms.xml. This enum class should also be
   // treated as append-only.
   enum class CloseReason : int {
     ERROR = 0,
     DIALOG_DEACTIVATED = 1,
     ALWAYS_PRESSED = 2,
     JUST_ONCE_PRESSED = 3,
     PREFERRED_ACTIVITY_FOUND = 4,
     SIZE,
   };
 
+  // Restricts the amount of apps displayed to the user without the need of a
+  // ScrollView.
+  enum { kMaxAppResults = 3 };
+
   using NameAndIcon = std::pair<std::string, gfx::Image>;
   using ShowDisambigDialogCallback =
       base::Callback<void(content::NavigationHandle* handle,
                           const std::vector<NameAndIcon>& app_info,
                           const base::Callback<void(size_t, CloseReason)>& cb)>;
   ArcNavigationThrottle(
       content::NavigationHandle* navigation_handle,
       const ShowDisambigDialogCallback& show_disambig_dialog_cb);
   ~ArcNavigationThrottle() override;
 
@@ skipping 19 matching lines @@
   ShowDisambigDialogCallback show_disambig_dialog_callback_;
 
   base::WeakPtrFactory<ArcNavigationThrottle> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcNavigationThrottle);
 };
 
 }  // namespace arc
 
 #endif  // CHROME_BROWSER_CHROMEOS_ARC_ARC_NAVIGATION_THROTTLE_H_