Add VAVDA, the VAAPI Video Decode Accelerator for Intel CPUs.

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 445cb90f8b6a9b0485f380325670137a8a7c61a5..bd34bcd9323f2c885a0aac16b5a8e1e1d559fd16 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -344,6 +344,10 @@ const char kEnableTcpFastOpen[]             = "enable-tcp-fastopen";
 // Enable support for JavaScript touch events.
 const char kEnableTouchEvents[]             = "enable-touch-events";
 
+// Enables hardware acceleration for video decode on Linux and ChromeOS

[Ami GONE FROM CHROMIUM, 2012/04/09 02:41:47]

VAAPI code is not built on linux so this comment over-promises.
Should the gyp file be relaxed?

[Pawel Osciak, 2012/05/03 16:22:07]

Yes, I want to do this once this gets in and I get to test on a Linux box.

+// on Intel CPUs (mostly Sandy Bridge+) using VAAPI.
+const char kEnableVaapi[] = "enable-vaapi";
+
 // Enables support for video tracks. Current implementation is
 // incomplete and this flag is used for development and testing.
 const char kEnableVideoTrack[]              = "enable-video-track";