Remove deprecated QTKit Video Capture Support

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 05535350fbfade7f142c0b74c993b6f2a9f1203f..99366b6f7645f485dbca1e349eb4bfe6134f2b47 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -6039,14 +6039,18 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_FLAGS_DRIVE_SEARCH_IN_CHROME_LAUNCHER_DESCRIPTION" desc="Description for the flag for drive search in chrome launcher.">
         Files from Drive will show up when searching the Chrome App Launcher.
       </message>
-      <if expr="is_macosx">
-        <message name="IDS_FLAGS_AVFOUNDATION_NAME" desc="Name of the flag to enable Mac AVFoundation.">
-          Use of Mac OS X AVFoundation APIs, instead of QTKit
-        </message>
-        <message name="IDS_FLAGS_AVFOUNDATION_DESCRIPTION" desc="Description of flag to enable Mac AVFoundation.">
-          Enable AVFoundation use for video capture and video device monitoring on OS X >= 10.7. QTKit will be used otherwise.
-        </message>
-      </if>
+      <message name="IDS_FLAGS_DISABLE_DELAY_AGNOSTIC_AEC_NAME" desc="Name of the flag for DA-AEC in WebRTC.">

[sky, 2016/03/30 15:31:05]

Why are you adding these new flags?

[perkj_chrome, 2016/03/30 16:44:01]

Sorry, that was a wast of our time caused by me failing to rebase properly. 
Now fixed. 

+        Disable delay Agnostic AEC in WebRTC
+      </message>
+      <message name="IDS_FLAGS_DISABLE_DELAY_AGNOSTIC_AEC_DESCRIPTION" desc="Description for the flag for DA-AEC in WebRTC.">
+        Disable Delay Agnostic AEC in WebRTC. Use if reported system delays are very trusted, or if others experience echo from your machine.
+      </message>
+      <message name="IDS_FLAGS_ENABLE_DELAY_AGNOSTIC_AEC_NAME" desc="Name of the flag to enable DA-AEC in WebRTC.">
+        Enable Delay Agnostic AEC in WebRTC.
+      </message>
+      <message name="IDS_FLAGS_ENABLE_DELAY_AGNOSTIC_AEC_DESCRIPTION" desc="Description for the flag to enable DA-AEC in WebRTC.">
+        Enable Delay Agnostic AEC in WebRTC. Use if reported system delays are untrusted. Specifically applies to Mac OS X and CrOS, but also if audio is routed through a different device like TV. enable-delay-agnostic-aec overrides disable-delay-agnostic-aec.
+      </message>
       <message name="IDS_FLAGS_V8_PAC_MOJO_OUT_OF_PROCESS_NAME" desc="Name of the flag to enable out-of-process V8 proxy resolver.">
         Out-of-process V8 Proxy Resolver.
       </message>