Cleanup: Remove "gray text" logic from Omnibox

chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm

Index: chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
diff --git a/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm b/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
index 09319ed476ebee085d02719a6f7c6a029062be86..5f76afe1b2bf7464edeb55512aefdcc1bde6c0b6 100644
--- a/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
+++ b/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
@@ -716,19 +716,6 @@ gfx::NativeView OmniboxViewMac::GetRelativeWindowForPopup() const {
   return NULL;
 }
 
-void OmniboxViewMac::SetGrayTextAutocompletion(
-    const base::string16& suggest_text) {
-  if (suggest_text == suggest_text_)
-    return;
-  suggest_text_ = suggest_text;
-  [field_ setGrayTextAutocompletion:base::SysUTF16ToNSString(suggest_text)
-                          textColor:SuggestTextColor()];
-}
-
-base::string16 OmniboxViewMac::GetGrayTextAutocompletion() const {
-  return suggest_text_;
-}
-
 int OmniboxViewMac::GetTextWidth() const {
   // Not used on mac.
   NOTREACHED();
@@ -817,15 +804,6 @@ bool OmniboxViewMac::OnDoCommandBySelector(SEL cmd) {
     }
   }
 
-  if (cmd == @selector(moveRight:)) {
-    // Only commit suggested text if the cursor is all the way to the right and
-    // there is no selection.
-    if (suggest_text_.length() > 0 && IsCaretAtEnd()) {
-      model()->CommitSuggestedText();
-      return true;
-    }
-  }
-
   if (cmd == @selector(scrollPageDown:)) {
     model()->OnUpOrDownKeyPressed(model()->result().size());
     return true;