Upgrade observatory_pub_packages in DEPS

dartium.deps/DEPS

 import gclient_utils
 import os
 
 path = gclient_utils.FindGclientRoot(os.getcwd())
 execfile(os.path.join(path, 'dartium.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",
@@ skipping 13 matching lines @@
   "http_rev" : "@9b93e1542c753090c50b46ef1592d44bc858bfe7",
   "http_multi_server_tag" : "@1.3.2",
   "http_parser_rev" : "@8b179e36aba985208e4c5fb15cfddd386b6370a4",
   "http_throttle_rev" : "@a81f08be942cdd608883c7b67795c12226abc235",
   "json_rpc_2_rev": "@a38eefd116d910199de205f962af92fed87c164c",
   "logging_rev": "@85d83e002670545e9039ad3985f0018ab640e597",
   "matcher_tag": "@0.11.4+4",
   "mime_rev": "@75890811d4af5af080351ba8a2853ad4c8df98dd",
   "metatest_rev": "@e5aa8e4e19fc4188ac2f6d38368a47d8f07c3df1",
   "oauth2_rev": "@1bff41f4d54505c36f2d1a001b83b8b745c452f5",
-  "observatory_pub_packages_rev": "@43830",
+  "observatory_pub_packages_rev": "@45565",
   "path_rev": "@b657c0854d1cf41c014986fa9d2321f1173df805",
   "plugin_tag": "@0.1.0",
   "pool_rev": "@22e12aeb16ad0b626900dbe79e4a25391ddfb28c",
   "pub_semver_rev": "@182d55d7207e3af5e76e96834fa7cf63c55ce09a",
   "shelf_rev": "@1e87b79b21ac5e6fa2f93576d6c06eaa65285ef4",
   "shelf_web_socket_rev": "@ff170cec2c0e4e5722cdf47c557be63b5035a602",
   "source_span_rev": "@42501132e43599a151ba6727d340e44442f86c05",
   "stack_trace_tag": "@1.2.1",
   "string_scanner_rev": "@3e7617d6f74ba382e9b6130b1cc12091d89a9bc5",
   "unittest_tag": "@0.11.5+4",
@@ skipping 147 matching lines @@
 hooks.append({
   # Peg the blink version number in LASTCHANGE.blink to be the upstream
   # 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')" ],
 })