Move libvpx from DEPS to src

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index 9035c9b5938f99b004cc41f396000fcaba4435e5..3601220d3724bf30d43495d841354433918748d8 100644
--- a/DEPS
+++ b/DEPS
@@ -33,7 +33,6 @@ vars = {
   'googlecode_url': 'http://%s.googlecode.com/svn',
   'webkit_revision': '6089ec2766bb1e459d07d5ef28804372042b71d5', # from svn revision 201736
   'chromium_git': 'https://chromium.googlesource.com',
-  'libvpx_revision': 'a208ecae8e6fff1c0d4286bdc000d7c5efaab411',
   'sfntly_revision': '1bdaae8fc788a5ac8936d68bf24f37d977a13dac',
   'skia_revision': '1a9cafff044e5a352c60065e44d64e9d0eb8f92a',
   # Three lines of non-changing comments so that
@@ -185,12 +184,12 @@ deps = {
   'src/third_party/webdriver/pylib':
     Var('chromium_git') + '/external/selenium/py.git' + '@' + '5fd78261a75fe08d27ca4835fb6c5ce4b42275bd',
 
-  'src/third_party/libvpx':
-   Var('chromium_git') + '/chromium/deps/libvpx.git' + '@' +  Var('libvpx_revision'),
-
   'src/third_party/ffmpeg':
    Var('chromium_git') + '/chromium/third_party/ffmpeg.git' + '@' + '3651d8ef1fe8bf1fab61da6298341470402c991a',
 
+  'src/third_party/libvpx/source/libvpx':
+    Var('chromium_git') + '/webm/libvpx.git' + '@' + 'da7dc5983773161a7ee148649f3be30a3a9e2cbc',
+
   'src/third_party/libjingle/source/talk':
     Var('chromium_git') + '/external/webrtc/trunk/talk.git' + '@' + '6fcf651402d903ff8c8e16f845c6e0f6040387f1', # commit position 9845