Roll gyp DEPS from r985 to r987.

Changes:

r987 | tony@chromium.org | 2011-08-08 11:55:43 -0700 (Mon, 08 Aug 2011) | 4 lines

Fix the world rebuilding in make 3.82.

Filter out the propgation of FORCE_DO_CMD when prerequisites change.
Review URL: http://codereview.chromium.org/7583040
------------------------------------------------------------------------
r986 | jeanluc@google.com | 2011-08-05 18:12:29 -0700 (Fri, 05 Aug 2011) | 4 lines

Verify the existence of source files in VS2008.  Missing source files are now
treated as errors.

BUG=207
Review URL: http://codereview.chromium.org/7576020

BUG=64703


Review URL: http://codereview.chromium.org/7601003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@95955 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -86,7 +86,7 @@ deps = {
     (Var("googlecode_url") % "snappy") + "/trunk@37",
 
   "src/tools/gyp":
-    (Var("googlecode_url") % "gyp") + "/trunk@985",
+    (Var("googlecode_url") % "gyp") + "/trunk@987",
 
   "src/v8":
     (Var("googlecode_url") % "v8") + "/trunk@" + Var("v8_revision"),