Updated Khronos GLES2 headers.

DEPS

 # This file is automatically processed to create .DEPS.git which is the file
 # that gclient uses under git.
 #
 # See http://code.google.com/p/chromium/wiki/UsingGit
 #
 # To test manually, run:
 #   python tools/deps2git/deps2git.py -o .DEPS.git
 #   gclient runhooks
 # DO NOT CHECK IN CHANGES TO .DEPS.git. It will be automatically updated by
 # a bot when you modify this one.
@@ skipping 23 matching lines @@
   "libvpx_revision": "241571",
   "lss_revision": "24",
 
   # These two FFmpeg variables must be updated together.  One is used for SVN
   # checkouts and the other for Git checkouts.
   "ffmpeg_revision": "241347",
   "ffmpeg_hash": "a42d8cbb4010bfabc7f9fe4c4b21aef9de39533f",
 
   "sfntly_revision": "228",
   "lighttpd_revision": "33737",
-  "skia_revision": "12723",
-  "skia_hash": "ef74fa189b738e13295d6a96f86a6e10223505a8",
+  "skia_revision": "12758",
+  "skia_hash": "9ebad0d1562d99637665f74b929abacc6d88a778",
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and V8 without interference from each other.
   "v8_revision": "18330",
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling WebRTC
   # and V8 without interference from each other.
   "webrtc_revision": "5301",
   "jsoncpp_revision": "248",
   "nss_revision": "239365",
@@ skipping 205 matching lines @@
   "src/third_party/pywebsocket/src":
     (Var("googlecode_url") % "pywebsocket") + "/trunk/src@662",
 
   "src/third_party/opus/src":
     "/trunk/deps/third_party/opus@237544",
 
   "src/media/cdm/ppapi/api":
     "/trunk/deps/cdm@241073",
 
   "src/third_party/mesa/src":
-    "/trunk/deps/third_party/mesa@229994",
+    "/trunk/deps/third_party/mesa@240938",
 
   "src/third_party/cld_2/src":
     (Var("googlecode_url") % "cld2") + "/trunk@84",
 }
 
 
 deps_os = {
   "win": {
     "src/chrome/tools/test/reference_build/chrome_win":
       "/trunk/deps/reference_builds/chrome_win@237381",
@@ skipping 412 matching lines @@
     "pattern": ".",
     "action": ["python", "src/build/gyp_chromium"],
   },
   {
     # Check for landmines (reasons to clobber the build).
     "name": "landmines",
     "pattern": ".",
     "action": ["python", "src/build/landmines.py"],
   },
 ]