Add a help bubble pointing to the omnibox when installing an extension with

chrome/browser/ui/views/location_bar/location_bar_view.cc

 // Copyright (c) 2010 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/views/location_bar/location_bar_view.h"
 
 #if defined(OS_LINUX)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 370 matching lines @@
   gfx::Rect screen_bounds(star_view_->GetImageBounds());
   // Compensate for some built-in padding in the Star image.
   screen_bounds.Inset(1, 1, 1, 2);
   gfx::Point origin(screen_bounds.origin());
   views::View::ConvertPointToScreen(star_view_, &origin);
   screen_bounds.set_origin(origin);
   browser::ShowBookmarkBubbleView(GetWindow(), screen_bounds, star_view_,
                                   profile_, url, newly_bookmarked);
 }
 
+gfx::Point LocationBarView::GetLocationEntryOrigin() const {
+  gfx::Point origin(location_entry_view_->bounds().origin());
+  // If the UI layout is RTL, the coordinate system is not transformed and
+  // therefore we need to adjust the X coordinate so that bubble appears on the
+  // right hand side of the location bar.
+  if (base::i18n::IsRTL())
+    origin.set_x(width() - origin.x());
+  views::View::ConvertPointToScreen(this, &origin);
+  return origin;
+}
+
 void LocationBarView::OnCommitSuggestedText() {
   InstantController* instant = delegate_->GetInstant();
   DCHECK(instant);
   DCHECK(suggested_text_view_);
   location_entry_->ReplaceSelection(
       WideToUTF16(suggested_text_view_->GetText()));
   // TODO(sky): We need to route the suggestion through InstantController so it
   // doesn't fetch suggestions.
 }
 
@@ skipping 811 matching lines @@
   }
 
   NOTREACHED();
 }
 
 void LocationBarView::OnTemplateURLModelChanged() {
   template_url_model_->RemoveObserver(this);
   template_url_model_ = NULL;
   ShowFirstRunBubble(bubble_type_);
 }