Delete talk directory, and references from build_ios_libs.sh.

talk/app/webrtc/objc/public/RTCAVFoundationVideoSource.h

Index: talk/app/webrtc/objc/public/RTCAVFoundationVideoSource.h
diff --git a/talk/app/webrtc/objc/public/RTCAVFoundationVideoSource.h b/talk/app/webrtc/objc/public/RTCAVFoundationVideoSource.h
deleted file mode 100644
index fcc8f1f2c0a256ecfab27b5d8cce4adc1019da89..0000000000000000000000000000000000000000
--- a/talk/app/webrtc/objc/public/RTCAVFoundationVideoSource.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * libjingle
- * Copyright 2015 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright notice,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#import "RTCVideoSource.h"
-
-@class AVCaptureSession;
-@class RTCMediaConstraints;
-@class RTCPeerConnectionFactory;
-
-// RTCAVFoundationVideoSource is a video source that uses
-// webrtc::AVFoundationVideoCapturer. We do not currently provide a wrapper for
-// that capturer because cricket::VideoCapturer is not ref counted and we cannot
-// guarantee its lifetime. Instead, we expose its properties through the ref
-// counted video source interface.
-@interface RTCAVFoundationVideoSource : RTCVideoSource
-
-- (instancetype)initWithFactory:(RTCPeerConnectionFactory*)factory
-                    constraints:(RTCMediaConstraints*)constraints;
-
-// Returns whether rear-facing camera is available for use.
-@property(nonatomic, readonly) BOOL canUseBackCamera;
-// Switches the camera being used (either front or back).
-@property(nonatomic, assign) BOOL useBackCamera;
-// Returns the active capture session.
-@property(nonatomic, readonly) AVCaptureSession* captureSession;
-
-@end