Move talk/examples/* to webrtc/examples.

webrtc/examples/objc/AppRTCDemo/ios/UIImage+ARDUtilities.m

+/*
+ *  Copyright 2015 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#import "UIImage+ARDUtilities.h"
+
+@implementation UIImage (ARDUtilities)
+
++ (UIImage *)imageForName:(NSString *)name color:(UIColor *)color {
+  UIImage *image = [UIImage imageNamed:name];
+  if (!image) {
+    return nil;
+  }
+  UIGraphicsBeginImageContextWithOptions(image.size, NO, 0.0f);
+  [color setFill];
+  CGRect bounds = CGRectMake(0, 0, image.size.width, image.size.height);
+  UIRectFill(bounds);
+  [image drawInRect:bounds blendMode:kCGBlendModeDestinationIn alpha:1.0f];
+  UIImage *coloredImage = UIGraphicsGetImageFromCurrentImageContext();
+  UIGraphicsEndImageContext();
+
+  return coloredImage;
+}
+
+@end