Change ownership in WebRTC folders

I am no longer active in this area, and I changed OWNERS folders to reflect
that. I added myself as a legacy owner on some folders and added guidou@ for
some that have no active owner left.

Change-Id: Id32844a94e29678b7f1c79509dc368b614bcdc44
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1585098Reviewed-by: Guido Urdaneta <guidou@chromium.org>
Reviewed-by: Daniele Castagna <dcastagna@chromium.org>
Commit-Queue: Emircan Uysaler <emircan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#654885}

content/browser/renderer_host/media/OWNERS

 file://media/OWNERS
 
 # WebRTC OWNERS.
-emircan@chromium.org
 guidou@chromium.org
 tommi@chromium.org
 olka@chromium.org
@@ -10,6 +9,7 @@ maxmorin@chromium.org
 per-file *video*=chfremer@chromium.org
 
 # Original (legacy) owner.
+per-file *video*=emircan@chromium.org
 per-file *video*=mcasas@chromium.org
 
 # TEAM: webrtc-dev@chromium.org

content/browser/webrtc/OWNERS

 chfremer@chromium.org
-emircan@chromium.org
 guidou@chromium.org
 tommi@chromium.org
 
 per-file *test*=phoglund@chromium.org
 
 # Original (legacy) owner.
+emircan@chromium.org
 mcasas@chromium.org
 
 # COMPONENT: Blink>WebRTC

content/renderer/media/OWNERS

@@ -2,7 +2,6 @@ file://media/OWNERS
 miu@chromium.org
 
 # WebRTC OWNERS.
-emircan@chromium.org
 hbos@chromium.org
 perkj@chromium.org
 tommi@chromium.org
@@ -10,4 +9,7 @@ guidou@chromium.org
 olka@chromium.org
 maxmorin@chromium.org
 
+# Original (legacy) owner.
+emircan@chromium.org
+
 # COMPONENT: Internals>Media

content/renderer/media/video_capture/OWNERS

 chfremer@chromium.org
-emircan@chromium.org
 guidou@chromium.org
 
 # COMPONENT: Blink>GetUserMedia>Webcam

content/renderer/media_capture_from_element/OWNERS

-emircan@chromium.org
+guidou@chromium.org
 
 # Original (legacy) owner.
+emircan@chromium.org
 mcasas@chromium.org
 
 # COMPONENT: Blink>MediaStream>CaptureFromElement

content/renderer/media_recorder/OWNERS

-emircan@chromium.org
+guidou@chromium.org
 
 # Original (legacy) owner.
+emircan@chromium.org
 mcasas@chromium.org
 
 # COMPONENT: Blink>MediaRecording

media/capture/video/OWNERS

-emircan@chromium.org
 chfremer@chromium.org
 tommi@chromium.org
 
 # Original (legacy) owner.
+emircan@chromium.org
 mcasas@chromium.org
 
 # TEAM: webrtc-dev@chromium.org

media/gpu/OWNERS

@@ -10,6 +10,3 @@ sandersd@chromium.org
 # For Android media gpu files.
 per-file *android*=liberato@chromium.org
 per-file *avda*=liberato@chromium.org
-
-# For Mac encoder files.
-per-file *vt_video_encode*=emircan@chromium.org

media/gpu/windows/OWNERS

-# For encoder files.
-per-file *encode*=emircan@chromium.org

services/video_capture/OWNERS

 chfremer@chromium.org
-emircan@chromium.org
 
 # Original (legacy) owner.
 per-file *video*=mcasas@chromium.org

third_party/blink/renderer/modules/mediacapturefromelement/OWNERS

-emircan@chromium.org
+guidou@chromium.org
 
 # Original (legacy) owner.
+emircan@chromium.org
 mcasas@chromium.org
 
 # TEAM: webrtc-dev@chromium.org

third_party/blink/web_tests/external/wpt/screen-capture/OWNERS

+guidou@chromium.org
+
+# Original (legacy) owner.
+emircan@chromium.org
+
 # COMPONENT: Blink>WebRTC
 # WPT-NOTIFY: true
 emircan@chromium.org

third_party/libwebm/OWNERS

 # The following OWNERS refer to libwebm Chromium integration.
-emircan@chromium.org
 niklase@chromium.org
 
 # The following OWNER refer to libwebm content.
 tomfinegan@chromium.org
 
 # Original (legacy) owner.
+emircan@chromium.org
 mcasas@chromium.org
 
 # COMPONENT: Blink>MediaRecording