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/Classes/Metal/RTCMTLRGBRenderer.h b/sdk/objc/Framework/Classes/Metal/RTCMTLRGBRenderer.h
index de27055..9db422c 100644
--- a/sdk/objc/Framework/Classes/Metal/RTCMTLRGBRenderer.h
+++ b/sdk/objc/Framework/Classes/Metal/RTCMTLRGBRenderer.h
@@ -13,7 +13,8 @@
 #import "RTCMTLRenderer.h"
 
 /** @abstract RGB/BGR renderer.
- *  @discussion This renderer handles both kCVPixelFormatType_32BGRA and kCVPixelFormatType_32ARGB.
+ *  @discussion This renderer handles both kCVPixelFormatType_32BGRA and
+ * kCVPixelFormatType_32ARGB.
  */
 NS_AVAILABLE(10_11, 9_0)
 @interface RTCMTLRGBRenderer : RTCMTLRenderer