Remove the whole ios specific WebKit checkout.

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index 4f9f0067d31fcecd6ac8d89f757b380228c9330e..1a0dab017d631daf48a1de759a953cf1c1bc8e22 100644
--- a/DEPS
+++ b/DEPS
@@ -48,12 +48,6 @@ vars = {
   # the commit queue can handle CLs rolling openssl
   # and whatever else without interference from each other.
   "openssl_revision": "194187",
-
-  "ios_webkit_trunk": "http://src.chromium.org/blink/trunk",
-  # Three lines of non-changing comments so that
-  # the commit queue can handle CLs rolling openssl
-  # and whatever else without interference from each other.
-  "ios_webkit_revision": "147503",
 }
 
 deps = {
@@ -415,14 +409,6 @@ deps_os = {
     "src/testing/iossim/third_party/class-dump":
       "/trunk/deps/third_party/class-dump@147231",
 
-    # Pull only the headers from WebKit.
-    "src/third_party/WebKit/Source/WebKit/chromium/public":
-      Var("ios_webkit_trunk") + "/Source/WebKit/chromium/public@" +
-      Var("ios_webkit_revision"),
-    "src/third_party/WebKit/Source/Platform/chromium/public":
-      Var("ios_webkit_trunk") + "/Source/Platform/chromium/public@" +
-      Var("ios_webkit_revision"),
-
     # Code that's not needed due to not building everything (especially WebKit).
     "src/build/util/support": None,
     "src/chrome/test/data/extensions/api_test/permissions/nacl_enabled/bin": None,