GYP changed to extract D3DX9 DLL into product dir.

This is so ANGLE will find it.

Also added ANGLE as a Chrome dependency.

There must be a better way to detect whether there is a directxsdk directory in third_party. I'm open to ideas.

TEST=try, check d3dx9 is copied to product dir when building chrome, check ANGLE initializes
BUG=45898

Review URL: http://codereview.chromium.org/2843060

git-svn-id: http://src.chromium.org/svn/trunk/src/build@53076 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

all.gyp

@@ -26,6 +26,7 @@
         '../skia/skia.gyp:*',
         '../testing/gmock.gyp:*',
         '../testing/gtest.gyp:*',
+        '../third_party/angle/src/build_angle.gyp:*',
         '../third_party/bzip2/bzip2.gyp:*',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:*',
         '../third_party/cld/cld.gyp:*',
@@ -264,7 +265,6 @@
             '../chrome_frame/chrome_frame.gyp:chrome_frame_tests',
             '../chrome_frame/chrome_frame.gyp:chrome_frame_unittests',
             '../chrome_frame/chrome_frame.gyp:npchrome_frame',
-            '../third_party/angle/src/build_angle.gyp:*',
           ],
         },
         {

dir_exists.py

@@ -0,0 +1,10 @@
+#!/usr/bin/env python
+# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import os.path
+import sys
+
+sys.stdout.write(str(os.path.isdir(sys.argv[1])))
+sys.exit(0)