Make launching apps from shelf more intuitive

chrome/browser/ui/browser_finder.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_BROWSER_FINDER_H_
 #define CHROME_BROWSER_UI_BROWSER_FINDER_H_
 
 #include <stddef.h>
 
 #include "chrome/browser/ui/browser.h"
@@ skipping 13 matching lines @@
 // if there are no tabbed browsers, use ScopedTabbedBrowserDisplayer.
 
 // Retrieve the last active tabbed browser with a profile matching |profile|.
 // If |match_original_profiles| is true, matching is done based on the
 // original profile, eg profile->GetOriginalProfile() ==
 // browser->profile()->GetOriginalProfile(). This has the effect of matching
 // against both non-incognito and incognito profiles. If
 // |match_original_profiles| is false, only an exact match may be returned.
 Browser* FindTabbedBrowser(Profile* profile, bool match_original_profiles);
 
+// Similar to FindTabbedBrowser(), but only retrieves the browser in the
+// display identified by |display_id|.

[Peter Kasting, 2017/05/26 01:25:03]

Maybe this should just be added as an optional (defaulted to kInvalidDisplayId)
third arg to FindTabbedBrowser()?

[weidongg, 2017/05/26 02:49:48]

Yes, that's better. Done.

+Browser* FindTabbedBrowserOnDisplay(Profile* profile,
+                                    bool match_original_profiles,
+                                    int64_t display_id);
+
 // Finds an existing browser window of any kind.
 Browser* FindAnyBrowser(Profile* profile,
                         bool match_original_profiles);
 
 // Find an existing browser window with the provided profile. Searches in the
 // order of last activation. Only browsers that have been active can be
 // returned. Returns NULL if no such browser currently exists.
 Browser* FindBrowserWithProfile(Profile* profile);
 
 // Find an existing browser with the provided ID. Returns NULL if no such
@@ skipping 32 matching lines @@
 
 // Returns the number of browsers with the Profile |profile|.
 size_t GetBrowserCount(Profile* profile);
 
 // Returns the number of tabbed browsers with the Profile |profile|.
 size_t GetTabbedBrowserCount(Profile* profile);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_BROWSER_FINDER_H_