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

chrome/browser/ui/omnibox/omnibox_edit_model.h

 // Copyright 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_OMNIBOX_OMNIBOX_EDIT_MODEL_H_
 #define CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_EDIT_MODEL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 26 matching lines @@
 // These numeric values are used in UMA logs; do not change them.
 enum EnteredKeywordModeMethod {
   ENTERED_KEYWORD_MODE_VIA_TAB = 0,
   ENTERED_KEYWORD_MODE_VIA_SPACE_AT_END = 1,
   ENTERED_KEYWORD_MODE_VIA_SPACE_IN_MIDDLE = 2,
   ENTERED_KEYWORD_MODE_NUM_ITEMS
 };
 
 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 {
     State(bool user_input_in_progress,
           const base::string16& user_text,
           const base::string16& gray_text,
           const base::string16& keyword,
           bool is_keyword_hint,
           bool url_replacement_enabled,
           OmniboxFocusState focus_state,
@@ skipping 262 matching lines @@
                              bool text_differs,
                              bool just_deleted_text,
                              bool allow_keyword_ui_change);
 
   // Called when the current match has changed in the OmniboxController.
   void OnCurrentMatchChanged();
 
   // 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[];
 
  private:
   friend class OmniboxControllerTest;
 
   enum PasteState {
     NONE,           // Most recent edit was not a paste.
     PASTING,        // In the middle of doing a paste. We need this intermediate
                     // state because OnPaste() does the actual detection of
@@ skipping 203 matching lines @@
   // an exact keyword match.  If this is true then keyword mode will be
   // triggered automatically if the input is "<keyword> <search string>".  We
   // allow this when CreatedKeywordSearchByInsertingSpaceInMiddle() is true.
   // This has no effect if we're already in keyword mode.
   bool allow_exact_keyword_match_;
 
   DISALLOW_COPY_AND_ASSIGN(OmniboxEditModel);
 };
 
 #endif  // CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_EDIT_MODEL_H_