Implement {Start,Stop}CapturingKeyStrokes for Instant.

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

Index: chrome/browser/ui/views/omnibox/omnibox_view_win.cc
diff --git a/chrome/browser/ui/views/omnibox/omnibox_view_win.cc b/chrome/browser/ui/views/omnibox/omnibox_view_win.cc
index 9e182989d2bdd0ff756e523be7dbbf2bd9de40c3..a881053eff79fde42adca6ee578942d24c66b7b6 100644
--- a/chrome/browser/ui/views/omnibox/omnibox_view_win.cc
+++ b/chrome/browser/ui/views/omnibox/omnibox_view_win.cc
@@ -762,6 +762,11 @@ void OmniboxViewWin::SetFocus() {
   ::SetFocus(m_hWnd);
 }
 
+void OmniboxViewWin::ApplyCaretVisibility() {
+  // TODO(mathp): implement for Windows.
+  NOTIMPLEMENTED();
+}
+
 void OmniboxViewWin::SetDropHighlightPosition(int position) {
   if (drop_highlight_position_ != position) {
     RepaintDropHighlight(drop_highlight_position_);