TabContentsViewViews should be used instead of TabContentsViewGtk for TOUCH_UI

chrome/browser/tab_contents/tab_contents_view_mac.mm

Index: chrome/browser/tab_contents/tab_contents_view_mac.mm
diff --git a/chrome/browser/tab_contents/tab_contents_view_mac.mm b/chrome/browser/tab_contents/tab_contents_view_mac.mm
index 61cf26bf76c213aa9b5e2436711a7581603b1057..e8fbab6e219280898dada14808f2fa93c838537c 100644
--- a/chrome/browser/tab_contents/tab_contents_view_mac.mm
+++ b/chrome/browser/tab_contents/tab_contents_view_mac.mm
@@ -322,6 +322,11 @@ void TabContentsViewMac::CloseTabAfterEventTracking() {
                     afterDelay:0.0];
 }
 
+void TabContentsViewMac::GetViewBounds(gfx::Rect* out) const {
+  // This method is noth currently used on mac.
+  NOTIMPLEMENTED();
+}
+
 void TabContentsViewMac::CloseTab() {
   tab_contents()->Close(tab_contents()->render_view_host());
 }