Android: enable WebRTC HW H264 with a flag by default

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 1862fa59cc193cf784ed4e555cd91c49c59d2c09..3a19e9386fc3f74fd332c180f0b90f6897587e0f 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -5746,17 +5746,11 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_FLAGS_WEBRTC_HW_ENCODING_DESCRIPTION" desc="Description of chrome:flags option to turn off WebRTC hardware video encoding support.">
         Support in WebRTC for encoding video streams using platform hardware.
       </message>
-      <message name="IDS_FLAGS_WEBRTC_HW_ENCODING_ALL">
-        Disable all hw encoding
+      <message name="IDS_FLAGS_WEBRTC_HW_H264_ENCODING_NAME" desc="Name of chrome:flags option to turn on WebRTC h264 hardware video encoding support.">
+        WebRTC hardware h264 video encoding
       </message>
-      <message name="IDS_FLAGS_WEBRTC_HW_ENCODING_VPX">
-        Disable vpx hw encoding
-      </message>
-      <message name="IDS_FLAGS_WEBRTC_HW_ENCODING_H264">
-        Disable h264 hw encoding
-      </message>
-      <message name="IDS_FLAGS_WEBRTC_HW_ENCODING_NONE">
-        Disable none hw encoding
+      <message name="IDS_FLAGS_WEBRTC_HW_H264_ENCODING_DESCRIPTION" desc="Description of chrome:flags option to turn on WebRTC hardware h264 video encoding support.">
+        Support in WebRTC for encoding h264 video streams using platform hardware.
       </message>
       <message name="IDS_FLAGS_WEBRTC_STUN_ORIGIN_NAME" desc="Name of chrome:flags option to turn on Origin header for WebRTC STUN messages">
         WebRTC Stun origin header