Roll gyp 990:995

991: test-only change
992: msvs output 40% faster
993: changes to relative include paths in msvs output
994: test-only change
995: partial support for LD_DYLIB_INSTALL_NAME in macmake build

BUG=90199,92699
TEST=none

Review URL: http://codereview.chromium.org/7633054

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@96736 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@990",
+    (Var("googlecode_url") % "gyp") + "/trunk@995",
 
   "src/v8":
     (Var("googlecode_url") % "v8") + "/trunk@" + Var("v8_revision"),