Shows the info bubble when the location bar icon is clicked in the origin chip.

chrome/browser/ui/omnibox/omnibox_edit_model.h

Index: chrome/browser/ui/omnibox/omnibox_edit_model.h
diff --git a/chrome/browser/ui/omnibox/omnibox_edit_model.h b/chrome/browser/ui/omnibox/omnibox_edit_model.h
index 8927a04cb2eb45ce5711f3c13be29fcb06ef6697..38967e2d659763c4db13a2f50e42713f516989ff 100644
--- a/chrome/browser/ui/omnibox/omnibox_edit_model.h
+++ b/chrome/browser/ui/omnibox/omnibox_edit_model.h
@@ -44,12 +44,13 @@ enum EnteredKeywordModeMethod {
 
 class OmniboxEditModel {
  public:
-  // Did the Omnibox focus originate via the user clicking on the Omnibox or on
-  // the Fakebox?
+  // Did the Omnibox focus originate via the user clicking on the Omnibox, on
+  // the Fakebox or on the location icon?
   enum FocusSource {
     INVALID = 0,
     OMNIBOX = 1,
-    FAKEBOX = 2
+    FAKEBOX = 2,
+    LOCATION_ICON = 3
   };
 
   struct State {
@@ -332,6 +333,11 @@ class OmniboxEditModel {
   // Sends the current SearchProvider suggestion to the Instant page if any.
   void SetSuggestionToPrefetch(const InstantSuggestion& suggestion);
 
+  void set_focused_via_location_icon() { focus_source_ = LOCATION_ICON; }
+  bool focused_via_location_icon() const {
+    return focus_source_ == LOCATION_ICON;
+  }
+
   // Name of the histogram tracking cut or copy omnibox commands.
   static const char kCutOrCopyAllTextHistogram[];