AppRTCMobile: Use high resolution app icon on retina screens.

Finally, no more hurting your eyes when looking at the app icon on a
retina device.

BUG=None
TBR=magjed@webrtc.org

Review-Url: https://codereview.webrtc.org/3001693002
Cr-Commit-Position: refs/heads/master@{#19351}
diff --git a/webrtc/examples/BUILD.gn b/webrtc/examples/BUILD.gn
index 55fe0f2..006485d 100644
--- a/webrtc/examples/BUILD.gn
+++ b/webrtc/examples/BUILD.gn
@@ -325,6 +325,8 @@
         "objc/AppRTCMobile/ios/resources/ic_switch_video_black_24dp.png",
         "objc/AppRTCMobile/ios/resources/ic_switch_video_black_24dp@2x.png",
         "objc/AppRTCMobile/ios/resources/mozart.mp3",
+        "objc/Icon-120.png",
+        "objc/Icon-180.png",
         "objc/Icon.png",
       ]
       outputs = [
diff --git a/webrtc/examples/objc/AppRTCMobile/ios/Info.plist b/webrtc/examples/objc/AppRTCMobile/ios/Info.plist
index 48016b3..2b382c4 100644
--- a/webrtc/examples/objc/AppRTCMobile/ios/Info.plist
+++ b/webrtc/examples/objc/AppRTCMobile/ios/Info.plist
@@ -17,6 +17,8 @@
       <key>CFBundleIconFiles</key>
       <array>
         <string>Icon.png</string>
+        <string>Icon-120.png</string>
+        <string>Icon-180.png</string>
       </array>
     </dict>
   </dict>
diff --git a/webrtc/examples/objc/Icon-120.png b/webrtc/examples/objc/Icon-120.png
new file mode 100644
index 0000000..938fef4
--- /dev/null
+++ b/webrtc/examples/objc/Icon-120.png
Binary files differ
diff --git a/webrtc/examples/objc/Icon-180.png b/webrtc/examples/objc/Icon-180.png
new file mode 100644
index 0000000..a5b7609
--- /dev/null
+++ b/webrtc/examples/objc/Icon-180.png
Binary files differ