Fixup deps files and VERSION file on 1.5 branch

deps/clank.deps/DEPS

 import gclient_utils
 import os
 
 path = gclient_utils.FindGclientRoot(os.getcwd())
 execfile(os.path.join(path, 'clank.deps', 'DEPS.chromium')) # Include proper Chromium DEPS.
 
 # Now we need to override some settings and add some new ones.
 
 vars.update({
   "chromium_url": "http://src.chromium.org/svn",
   "dartium_base": "http://src.chromium.org",
   "dartium_chromium_branch": "/chrome/branches/dart/1985/src",
   "dartium_chromium_revision": "272160",
   "chromium_base_revision": "269467",
   "clank_url": "https://chrome-internal.googlesource.com/clank/",
   # This revision number should be kept in sync with the version of clank that
   # uses a similar chromium revision to that mentioned just above in
   # "chromium_revision". You can check which might be a good revision at:
   # https://chrome-internal.googlesource.com/clank/internal/apps/+log/1916
   "clank_rev": "1824a75e1d4e757c992ccdcb953b94c9b82bf936",
   "chrome_internal": "https://chrome-internal.googlesource.com/",
   # The Dart repository URL is pulled out here so that it can be easily
   # updated to "https" for committers.
-  "dart_branch": "/trunk",
+  "dart_branch": "/branches/1.5",
   "dartium_webkit_branch": "/blink/branches/dart/1985",
   "dartium_webkit_revision": "174962",
   "co19_rev": "@722",
   "gsutil_rev" : "@33376",
 })
 
 def massage_deps(deps):
   for key, value in deps.items():
     if value is None: continue
 
@@ skipping 60 matching lines @@
   # webkit_revision number so that chrome remote devtools pulls assets from
   # the right place.
   "name": "lastchange",
   "pattern": ".",
   "action": ["python", "-c",
       "f=open('src/build/util/LASTCHANGE.blink','w'); f.write('LASTCHANGE=" +
       Var('webkit_revision') + "\\n')" ],
 })
 
 target_os = ['android']