Bunch of match preview tweaks:

chrome/browser/cocoa/location_bar/location_bar_view_mac.mm

Index: chrome/browser/cocoa/location_bar/location_bar_view_mac.mm
diff --git a/chrome/browser/cocoa/location_bar/location_bar_view_mac.mm b/chrome/browser/cocoa/location_bar/location_bar_view_mac.mm
index 9bc4d1d8d505d2fed6d601d72bbb129cf3fb76e4..d8b8b80e0bd16ce7a9422cc3c1e5d2da416e4fa1 100644
--- a/chrome/browser/cocoa/location_bar/location_bar_view_mac.mm
+++ b/chrome/browser/cocoa/location_bar/location_bar_view_mac.mm
@@ -124,6 +124,11 @@ std::wstring LocationBarViewMac::GetInputString() const {
   return location_input_;
 }
 
+void LocationBarViewMac::SetSuggestedText(const string16& text) {
+  // TODO: implement me.
+  NOTIMPLEMENTED();
+}
+
 WindowOpenDisposition LocationBarViewMac::GetWindowOpenDisposition() const {
   return disposition_;
 }