Rolled ANGLE r534:r536.

r536 All surfaces follow D3D Y convention
http://codereview.appspot.com/3265041

r535 Build fix needed on certain platforms. Explicitly cast away const.
http://codereview.appspot.com/4043042

TEST=try
BUG=none

Review URL: http://codereview.chromium.org/6254010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@71834 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -34,7 +34,7 @@ deps = {
     (Var("googlecode_url") % "googletest") + "/trunk@492",
 
   "src/third_party/angle":
-    (Var("googlecode_url") % "angleproject") + "/trunk@534",
+    (Var("googlecode_url") % "angleproject") + "/trunk@536",
 
   "src/third_party/WebKit":
     "/trunk/deps/third_party/WebKit@71605",