Enabled pressing TAB to cycle through the Omnibox results.

chrome/browser/ui/views/autocomplete/autocomplete_result_view.cc

 // Copyright (c) 2011 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.
 
 // For WinDDK ATL compatibility, these ATL headers must come first.
 #include "build/build_config.h"
 #if defined(OS_WIN)
 #include <atlbase.h>  // NOLINT
 #include <atlwin.h>  // NOLINT
 #endif
@@ skipping 158 matching lines @@
   }
 
   return colors[state][kind];
 }
 
 void AutocompleteResultView::SetMatch(const AutocompleteMatch& match) {
   match_ = match;
   Layout();
 }
 
+
+gfx::Size AutocompleteResultView::GetCollapsedSize() {
+  return gfx::Size(icon_bounds_.right() + LocationBarView::kItemPadding +
+    ellipsis_width_ + LocationBarView::kItemPadding, height());
+}
+
+gfx::Size AutocompleteResultView::GetPreferredSize() {
+  return gfx::Size(0, std::max(
+    default_icon_size_ + (kMinimumIconVerticalPadding * 2),
+    GetTextHeight() + (kMinimumTextVerticalPadding * 2)));
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // AutocompleteResultView, protected:
 
 void AutocompleteResultView::PaintMatch(gfx::Canvas* canvas,
                                         const AutocompleteMatch& match,
                                         int x) {
   x = DrawString(canvas, match.contents, match.contents_class, false, x,
                  text_bounds_.y());
 
   // Paint the description.
@@ skipping 297 matching lines @@
       //     ellipsis we'll append to it, or
       //   * It is also bold, in which case we don't want to fall back
       //     to a normal ellipsis anyway (see comment above).
     }
   }
 
   // We couldn't draw anything.
   runs->clear();
 }
 
-gfx::Size AutocompleteResultView::GetPreferredSize() {
-  return gfx::Size(0, std::max(
-      default_icon_size_ + (kMinimumIconVerticalPadding * 2),
-      GetTextHeight() + (kMinimumTextVerticalPadding * 2)));
-}
-
 void AutocompleteResultView::Layout() {
   const SkBitmap* icon = GetIcon();
   icon_bounds_.SetRect(LocationBarView::kEdgeItemPadding +
       ((icon->width() == default_icon_size_) ?
           0 : LocationBarView::kIconInternalPadding),
       (height() - icon->height()) / 2, icon->width(), icon->height());
 
   int text_x = LocationBarView::kEdgeItemPadding + default_icon_size_ +
       LocationBarView::kItemPadding;
   int text_height = GetTextHeight();
   text_bounds_.SetRect(text_x, std::max(0, (height() - text_height) / 2),
       std::max(bounds().width() - text_x - LocationBarView::kEdgeItemPadding,
       0), text_height);
 }
 
 void AutocompleteResultView::OnPaint(gfx::Canvas* canvas) {
   const ResultViewState state = GetState();
   if (state != NORMAL)
     canvas->AsCanvasSkia()->drawColor(GetColor(state, BACKGROUND));
 
   // Paint the icon.
   canvas->DrawBitmapInt(*GetIcon(), GetMirroredXForRect(icon_bounds_),
                         icon_bounds_.y());
 
   // Paint the text.
   int x = GetMirroredXForRect(text_bounds_);
   mirroring_context_->Initialize(x, text_bounds_.width());
   PaintMatch(canvas, match_, x);
 }
+