[Chromecast] Fix data dependency in bindings_manager_cast.

The "data" list was pointing to a file that did not exist
(the path omitted the "resources" prefix).

Bug: Internal b/144577042
Test: check that each file from gn desc runtime_deps exists
Change-Id: I2eb03db75cf3a8e7608d71446acfbf518074e00d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2016907
Auto-Submit: Simeon Anfinrud <sanfin@chromium.org>
Commit-Queue: Yuchen Liu <yucliu@chromium.org>
Reviewed-by: Michael Spang <spang@chromium.org>
Reviewed-by: Yuchen Liu <yucliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734634}

chromecast/bindings/BUILD.gn

@@ -63,7 +63,7 @@ if (is_linux || is_android) {
       "//third_party/blink/public/common",
     ]
 
-    data = [ "named_message_port_connector.js" ]
+    data_deps = [ ":named_message_port_connector_resources" ]
 
     public_deps = [ ":bindings_manager" ]
   }