Fix //third_party/cec to not disable -Wunused-function.

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/mac/foundation_util.h"
 #include "base/memory/ptr_util.h"
@@ skipping 63 matching lines @@
 // scope, when the window resigns key the autocomplete popup is
 // closed.  model() still believes it has focus, and the popup will
 // be regenerated on the user's next edit.  That seems to match how
 // things work on other platforms.
 
 namespace {
 const int kOmniboxLargeFontSizeDelta = 9;
 const int kOmniboxNormalFontSizeDelta = 1;
 const int kOmniboxSmallMaterialFontSizeDelta = -1;
 
-// TODO(shess): This is ugly, find a better way.  Using it right now
-// so that I can crib from gtk and still be able to see that I'm using
-// the same values easily.
-NSColor* ColorWithRGBBytes(int rr, int gg, int bb) {
-  DCHECK_LE(rr, 255);
-  DCHECK_LE(bb, 255);
-  DCHECK_LE(gg, 255);
-  return [NSColor colorWithCalibratedRed:static_cast<float>(rr)/255.0
-                                   green:static_cast<float>(gg)/255.0
-                                    blue:static_cast<float>(bb)/255.0
-                                   alpha:1.0];
-}
-
 NSColor* HostTextColor(bool in_dark_mode) {
   return in_dark_mode ? [NSColor whiteColor] : [NSColor blackColor];
 }
 NSColor* SecureSchemeColor(bool in_dark_mode) {
   return in_dark_mode ? skia::SkColorToSRGBNSColor(SK_ColorWHITE)
                       : skia::SkColorToSRGBNSColor(gfx::kGoogleGreen700);
 }
 NSColor* SecurityWarningSchemeColor(bool in_dark_mode) {
   return in_dark_mode
       ? skia::SkColorToSRGBNSColor(SkColorSetA(SK_ColorWHITE, 0x7F))
@@ skipping 1011 matching lines @@
                               display_text);
   NSDictionary* notification_info = @{
       NSAccessibilityAnnouncementKey : announcement,
       NSAccessibilityPriorityKey :     @(NSAccessibilityPriorityHigh)
   };
   NSAccessibilityPostNotificationWithUserInfo(
       [field_ window],
       NSAccessibilityAnnouncementRequestedNotification,
       notification_info);
 }