Remove unused / unnecessary stuff from Instant.

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

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h"
 
 #include <Carbon/Carbon.h>  // kVK_Return
 
 #include "base/string_util.h"
 #include "base/sys_string_conversions.h"
@@ skipping 506 matching lines @@
   suggest_text_length_ = 0;
   SetWindowTextAndCaretPos(display_text, display_text.size(), false, false);
   model()->OnChanged();
   [field_ clearUndoChain];
 }
 
 void OmniboxViewMac::OnStartingIME() {
   // Reset the suggest text just before starting an IME composition session,
   // otherwise the IME composition may be interrupted when the suggest text
   // gets reset by the IME composition change.
-  SetInstantSuggestion(string16(), false);
+  SetInstantSuggestion(string16());
 }
 
 bool OmniboxViewMac::OnInlineAutocompleteTextMaybeChanged(
     const string16& display_text,
     size_t user_text_length) {
   // TODO(shess): Make sure that this actually works.  The round trip
   // to native form and back may mean that it's the same but not the
   // same.
   if (display_text == GetText())
     return false;
@@ skipping 79 matching lines @@
 gfx::NativeView OmniboxViewMac::GetNativeView() const {
   return field_;
 }
 
 gfx::NativeView OmniboxViewMac::GetRelativeWindowForPopup() const {
   // Not used on mac.
   NOTREACHED();
   return NULL;
 }
 
-void OmniboxViewMac::SetInstantSuggestion(const string16& suggest_text,
-                                          bool animate_to_complete) {
+void OmniboxViewMac::SetInstantSuggestion(const string16& suggest_text) {
   NSString* text = GetNonSuggestTextSubstring();
   bool needs_update = (suggest_text_length_ > 0);
 
   // Append the new suggest text.
   suggest_text_length_ = suggest_text.length();
   if (suggest_text_length_ > 0) {
     text = [text stringByAppendingString:base::SysUTF16ToNSString(
                suggest_text)];
     needs_update = true;
   }
@@ skipping 45 matching lines @@
 bool OmniboxViewMac::OnDoCommandBySelector(SEL cmd) {
   // We should only arrive here when the field is focussed.
   DCHECK(IsFirstResponder());
 
   if (cmd != @selector(moveRight:) &&
       cmd != @selector(insertTab:) &&
       cmd != @selector(insertTabIgnoringFieldEditor:)) {
     // Reset the suggest text for any change other than key right or tab.
     // TODO(rohitrao): This is here to prevent complications when editing text.
     // See if this can be removed.
-    SetInstantSuggestion(string16(), false);
+    SetInstantSuggestion(string16());
   }
 
   if (cmd == @selector(deleteForward:))
     delete_was_pressed_ = true;
 
   // Don't intercept up/down-arrow or backtab if the popup isn't open.
   if (popup_view_->IsOpen()) {
     if (cmd == @selector(moveDown:)) {
       model()->OnUpOrDownKeyPressed(1);
       return true;
@@ skipping 302 matching lines @@
 NSUInteger OmniboxViewMac::GetTextLength() const {
   return ([field_ currentEditor] ?
           [[[field_ currentEditor] string] length] :
           [[field_ stringValue] length]) - suggest_text_length_;
 }
 
 bool OmniboxViewMac::IsCaretAtEnd() const {
   const NSRange selection = GetSelectedRange();
   return selection.length == 0 && selection.location == GetTextLength();
 }