Bunch of match preview tweaks:

chrome/browser/gtk/location_bar_view_gtk.cc

Index: chrome/browser/gtk/location_bar_view_gtk.cc
diff --git a/chrome/browser/gtk/location_bar_view_gtk.cc b/chrome/browser/gtk/location_bar_view_gtk.cc
index 705be84aea8953bc005b86bc254f59c10cdeeac4..3d3cefdd512632e55ce89982582326dc679d6c39 100644
--- a/chrome/browser/gtk/location_bar_view_gtk.cc
+++ b/chrome/browser/gtk/location_bar_view_gtk.cc
@@ -544,6 +544,11 @@ void LocationBarViewGtk::ShowFirstRunBubble(FirstRun::BubbleType bubble_type) {
   MessageLoop::current()->PostTask(FROM_HERE, task);
 }
 
+void LocationBarViewGtk::SetSuggestedText(const string16& text) {
+  // TODO: implement me.
+  NOTIMPLEMENTED();
+}
+
 std::wstring LocationBarViewGtk::GetInputString() const {
   return location_input_;
 }