Omnibox selects all text on tap.

chrome/browser/ui/views/omnibox/omnibox_view_views.cc

 // 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.
 
 #include "chrome/browser/ui/views/omnibox/omnibox_view_views.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 180 matching lines @@
   if (!HasFocus() && event->type() == ui::ET_GESTURE_TAP_DOWN) {
     select_all_on_gesture_tap_ = true;
 
     // If we're trying to select all on tap, invalidate any saved selection lest
     // restoring it fights with the "select all" action.
     saved_selection_for_focus_change_ = gfx::Range::InvalidRange();
     return;
   }
   if (select_all_on_gesture_tap_ && event->type() == ui::ET_GESTURE_TAP)
     SelectAll(false);
-  select_all_on_gesture_tap_ = false;
+  if (event->type() != ui::ET_GESTURE_SHOW_PRESS)
+    select_all_on_gesture_tap_ = false;
 }
 
 void OmniboxViewViews::GetAccessibleState(ui::AccessibleViewState* state) {
   location_bar_view_->GetAccessibleState(state);
   state->role = ui::AccessibilityTypes::ROLE_TEXT;
 }
 
 bool OmniboxViewViews::OnMousePressed(const ui::MouseEvent& event) {
   select_all_on_mouse_release_ =
       (event.IsOnlyLeftMouseButton() || event.IsOnlyRightMouseButton()) &&
@@ skipping 748 matching lines @@
   const string16 text(GetClipboardText());
   if (!text.empty()) {
     // Record this paste, so we can do different behavior.
     model()->on_paste();
     // Force a Paste operation to trigger the text_changed code in
     // OnAfterPossibleChange(), even if identical contents are pasted.
     text_before_change_.clear();
     InsertOrReplaceText(text);
   }
 }