Move RTCAudioSession* files modules/audio_device/ -> sdk/Framework.

webrtc/modules/audio_device/ios/objc/RTCAudioSession+Private.h

-/*
- *  Copyright 2016 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 "webrtc/modules/audio_device/ios/objc/RTCAudioSession.h"
-
-#include <vector>
-
-NS_ASSUME_NONNULL_BEGIN
-
-@class RTCAudioSessionConfiguration;
-
-@interface RTCAudioSession ()
-
-/** Number of times setActive:YES has succeeded without a balanced call to
- *  setActive:NO.
- */
-@property(nonatomic, readonly) int activationCount;
-
-/** The number of times |beginWebRTCSession| was called without a balanced call
- *  to |endWebRTCSession|.
- */
-@property(nonatomic, readonly) int webRTCSessionCount;
-
-/** Convenience BOOL that checks useManualAudio and isAudioEnebled. */
-@property(readonly) BOOL canPlayOrRecord;
-
-/** Tracks whether we have been sent an interruption event that hasn't been matched by either an
- *  interrupted end event or a foreground event.
- */
-@property(nonatomic, assign) BOOL isInterrupted;
-
-- (BOOL)checkLock:(NSError **)outError;
-
-/** Adds the delegate to the list of delegates, and places it at the front of
- *  the list. This delegate will be notified before other delegates of
- *  audio events.
- */
-- (void)pushDelegate:(id<RTCAudioSessionDelegate>)delegate;
-
-/** Signals RTCAudioSession that a WebRTC session is about to begin and
- *  audio configuration is needed. Will configure the audio session for WebRTC
- *  if not already configured and if configuration is not delayed.
- *  Successful calls must be balanced by a call to endWebRTCSession.
- */
-- (BOOL)beginWebRTCSession:(NSError **)outError;
-
-/** Signals RTCAudioSession that a WebRTC session is about to end and audio
- *  unconfiguration is needed. Will unconfigure the audio session for WebRTC
- *  if this is the last unmatched call and if configuration is not delayed.
- */
-- (BOOL)endWebRTCSession:(NSError **)outError;
-
-/** Configure the audio session for WebRTC. This call will fail if the session
- *  is already configured. On other failures, we will attempt to restore the
- *  previously used audio session configuration.
- *  |lockForConfiguration| must be called first.
- *  Successful calls to configureWebRTCSession must be matched by calls to
- *  |unconfigureWebRTCSession|.
- */
-- (BOOL)configureWebRTCSession:(NSError **)outError;
-
-/** Unconfigures the session for WebRTC. This will attempt to restore the
- *  audio session to the settings used before |configureWebRTCSession| was
- *  called.
- *  |lockForConfiguration| must be called first.
- */
-- (BOOL)unconfigureWebRTCSession:(NSError **)outError;
-
-/** Returns a configuration error with the given description. */
-- (NSError *)configurationErrorWithDescription:(NSString *)description;
-
-// Properties and methods for tests.
-@property(nonatomic, readonly)
-    std::vector<__weak id<RTCAudioSessionDelegate> > delegates;
-
-- (void)notifyDidBeginInterruption;
-- (void)notifyDidEndInterruptionWithShouldResumeSession:
-    (BOOL)shouldResumeSession;
-- (void)notifyDidChangeRouteWithReason:(AVAudioSessionRouteChangeReason)reason
-    previousRoute:(AVAudioSessionRouteDescription *)previousRoute;
-- (void)notifyMediaServicesWereLost;
-- (void)notifyMediaServicesWereReset;
-- (void)notifyDidChangeCanPlayOrRecord:(BOOL)canPlayOrRecord;
-- (void)notifyDidStartPlayOrRecord;
-- (void)notifyDidStopPlayOrRecord;
-
-@end
-
-NS_ASSUME_NONNULL_END