Switch DEPS to git.

DEPS

 # Note: The buildbots evaluate this file with CWD set to the parent
 # directory and assume that the root of the checkout is in ./v8/, so
 # all paths in here must match this assumption.
 
 vars = {
-  "chromium_git": "https://chromium.googlesource.com",
-
-  "chromium_trunk": "https://src.chromium.org/svn/trunk",
-
-  "buildtools_revision": "fb782d4369d5ae04f17a2fceef7de5a63e50f07b",
+  "git_url": "https://chromium.googlesource.com",
 }
 
 deps = {
   # Remember to keep the revision in sync with the Makefile.
   "v8/build/gyp":
-    "http://gyp.googlecode.com/svn/trunk@1831",
-
+    Var("git_url") + "/external/gyp.git@a3e2a5caf24a1e0a45401e09ad131210bf16b852",
   "v8/third_party/icu":
-    Var("chromium_trunk") + "/deps/third_party/icu52@277999",
-
+    Var("git_url") + "/chromium/deps/icu52.git@26d8859357ac0bfb86b939bf21c087b8eae22494",
   "v8/buildtools":
-    "https://chromium.googlesource.com/chromium/buildtools.git@" +
-    Var("buildtools_revision"),
-
+    Var("git_url") + "/chromium/buildtools.git@fb782d4369d5ae04f17a2fceef7de5a63e50f07b",
   "v8/testing/gtest":
-    "http://googletest.googlecode.com/svn/trunk@692",
-
+    Var("git_url") + "/external/googletest.git@4650552ff637bb44ecf7784060091cbed3252211",
   "v8/testing/gmock":
-    "http://googlemock.googlecode.com/svn/trunk@485",
+    Var("git_url") + "/external/googlemock.git@896ba0e03f520fb9b6ed582bde2bd00847e3c3f2",
 }
 
 deps_os = {
   "android": {
     "v8/third_party/android_tools":
-      Var("chromium_git") + "/android_tools.git" + "@" +
-          "31869996507de16812bb53a3d0aaa15cd6194c16",
+      Var("git_url") + "/android_tools.git@31869996507de16812bb53a3d0aaa15cd6194c16",
   },
   "win": {
     "v8/third_party/cygwin":
-      Var("chromium_trunk") + "/deps/third_party/cygwin@66844",
-
+      Var("git_url") + "/chromium/deps/cygwin.git@06a117a90c15174436bfa20ceebbfdf43b7eb820",
     "v8/third_party/python_26":
-      Var("chromium_trunk") + "/tools/third_party/python_26@89111",
+      Var("git_url") + "/chromium/deps/python_26.git@67d19f904470effe3122d27101cc5a8195abd157",
   }
 }
 
 include_rules = [
   # Everybody can use some things.
   "+include",
   "+unicode",
   "+third_party/fdlibm",
 ]
 
@@ skipping 37 matching lines @@
                 "--bucket", "chromium-clang-format",
                 "-s", "v8/buildtools/linux64/clang-format.sha1",
     ],
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     "pattern": ".",
     "action": ["python", "v8/build/gyp_v8"],
   },
 ]