Move webkit_version.h.in from content to build directory.

This fixes the TODO in build/util/BUILD.gn

BUG=None
R=brettw@chromium.org

Review URL: https://codereview.chromium.org/1421143003

Cr-Original-Commit-Position: refs/heads/master@{#355992}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: f766cab6f0e02f465f35a615f23819a426c817c1

util/BUILD.gn

@@ -7,8 +7,7 @@ action("webkit_version") {
 
   lastchange_file = "LASTCHANGE.blink"
 
-  # TODO(brettw) move from content to this directory.
-  template_file = "//content/webkit_version.h.in"
+  template_file = "webkit_version.h.in"
   inputs = [
     lastchange_file,
     template_file,

util/webkit_version.h.in

@@ -0,0 +1,9 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// webkit_version.h is generated from webkit_version.h.in.  Edit the source!
+
+#define WEBKIT_VERSION_MAJOR 537
+#define WEBKIT_VERSION_MINOR 36
+#define WEBKIT_SVN_REVISION "@@LASTCHANGE@"