Make launching apps from shelf more intuitive

chrome/browser/ui/browser_finder.h

Index: chrome/browser/ui/browser_finder.h
diff --git a/chrome/browser/ui/browser_finder.h b/chrome/browser/ui/browser_finder.h
index bd6bd209d0047f92fc54a221b392225a3b5cbe86..999300d728a841776feb40936809a34b184fbc3e 100644
--- a/chrome/browser/ui/browser_finder.h
+++ b/chrome/browser/ui/browser_finder.h
@@ -31,6 +31,12 @@ namespace chrome {
 // |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);