Reformat the WebRTC code base

Running clang-format with chromium's style guide.

The goal is n-fold:
 * providing consistency and readability (that's what code guidelines are for)
 * preventing noise with presubmit checks and git cl format
 * building on the previous point: making it easier to automatically fix format issues
 * you name it

Please consider using git-hyper-blame to ignore this commit.

Bug: webrtc:9340
Change-Id: I694567c4cdf8cee2860958cfe82bfaf25848bb87
Reviewed-on: https://webrtc-review.googlesource.com/81185
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23660}
diff --git a/sdk/objc/Framework/Headers/WebRTC/RTCMediaConstraints.h b/sdk/objc/Framework/Headers/WebRTC/RTCMediaConstraints.h
index f93e5b5..fce0821 100644
--- a/sdk/objc/Framework/Headers/WebRTC/RTCMediaConstraints.h
+++ b/sdk/objc/Framework/Headers/WebRTC/RTCMediaConstraints.h
@@ -15,28 +15,28 @@
 NS_ASSUME_NONNULL_BEGIN
 
 /** Constraint keys for media sources. */
-RTC_EXTERN NSString * const kRTCMediaConstraintsMinAspectRatio;
-RTC_EXTERN NSString * const kRTCMediaConstraintsMaxAspectRatio;
-RTC_EXTERN NSString * const kRTCMediaConstraintsMaxWidth;
-RTC_EXTERN NSString * const kRTCMediaConstraintsMinWidth;
-RTC_EXTERN NSString * const kRTCMediaConstraintsMaxHeight;
-RTC_EXTERN NSString * const kRTCMediaConstraintsMinHeight;
-RTC_EXTERN NSString * const kRTCMediaConstraintsMaxFrameRate;
-RTC_EXTERN NSString * const kRTCMediaConstraintsMinFrameRate;
+RTC_EXTERN NSString *const kRTCMediaConstraintsMinAspectRatio;
+RTC_EXTERN NSString *const kRTCMediaConstraintsMaxAspectRatio;
+RTC_EXTERN NSString *const kRTCMediaConstraintsMaxWidth;
+RTC_EXTERN NSString *const kRTCMediaConstraintsMinWidth;
+RTC_EXTERN NSString *const kRTCMediaConstraintsMaxHeight;
+RTC_EXTERN NSString *const kRTCMediaConstraintsMinHeight;
+RTC_EXTERN NSString *const kRTCMediaConstraintsMaxFrameRate;
+RTC_EXTERN NSString *const kRTCMediaConstraintsMinFrameRate;
 /** The value for this key should be a base64 encoded string containing
  *  the data from the serialized configuration proto.
  */
-RTC_EXTERN NSString * const kRTCMediaConstraintsAudioNetworkAdaptorConfig;
+RTC_EXTERN NSString *const kRTCMediaConstraintsAudioNetworkAdaptorConfig;
 
 /** Constraint keys for generating offers and answers. */
-RTC_EXTERN NSString * const kRTCMediaConstraintsIceRestart;
-RTC_EXTERN NSString * const kRTCMediaConstraintsOfferToReceiveAudio;
-RTC_EXTERN NSString * const kRTCMediaConstraintsOfferToReceiveVideo;
-RTC_EXTERN NSString * const kRTCMediaConstraintsVoiceActivityDetection;
+RTC_EXTERN NSString *const kRTCMediaConstraintsIceRestart;
+RTC_EXTERN NSString *const kRTCMediaConstraintsOfferToReceiveAudio;
+RTC_EXTERN NSString *const kRTCMediaConstraintsOfferToReceiveVideo;
+RTC_EXTERN NSString *const kRTCMediaConstraintsVoiceActivityDetection;
 
 /** Constraint values for Boolean parameters. */
-RTC_EXTERN NSString * const kRTCMediaConstraintsValueTrue;
-RTC_EXTERN NSString * const kRTCMediaConstraintsValueFalse;
+RTC_EXTERN NSString *const kRTCMediaConstraintsValueTrue;
+RTC_EXTERN NSString *const kRTCMediaConstraintsValueFalse;
 
 RTC_EXPORT
 @interface RTCMediaConstraints : NSObject
@@ -44,10 +44,9 @@
 - (instancetype)init NS_UNAVAILABLE;
 
 /** Initialize with mandatory and/or optional constraints. */
-- (instancetype)initWithMandatoryConstraints:
-    (nullable NSDictionary<NSString *, NSString *> *)mandatory
-                         optionalConstraints:
-    (nullable NSDictionary<NSString *, NSString *> *)optional
+- (instancetype)
+    initWithMandatoryConstraints:(nullable NSDictionary<NSString *, NSString *> *)mandatory
+             optionalConstraints:(nullable NSDictionary<NSString *, NSString *> *)optional
     NS_DESIGNATED_INITIALIZER;
 
 @end