Add the copresence DirectiveHandler.

components/copresence/proto/codes.proto

Index: components/copresence/proto/codes.proto
diff --git a/components/copresence/proto/codes.proto b/components/copresence/proto/codes.proto
new file mode 100644
index 0000000000000000000000000000000000000000..3459f2693955f65756cccb8ab5094ec060f12e66
--- /dev/null
+++ b/components/copresence/proto/codes.proto
@@ -0,0 +1,23 @@
+syntax = "proto2";

[xiyuan, 2014/07/25 21:02:10]

nit: Do we have style guild for proto buf definition? The file looks a bit
crowded. Let's add a few empty lines to break it up into sections.

[rkc, 2014/07/28 21:02:03]

These files are auto-generated using Google3 tools. Any style changes we make
will be lost at the next revision.

+package util.error;
+option optimize_for = LITE_RUNTIME;
+enum Code {

[Daniel Erat, 2014/07/28 21:18:19]

why isn't this in enums.proto?

[rkc, 2014/07/29 00:33:36]

This isn't code we control, this is pulled from Google3 directly. I'll ask the
server folks to look into it.

+  OK = 0;

[Daniel Erat, 2014/07/28 21:18:19]

are these all documented somewhere else?

[rkc, 2014/07/29 00:33:36]

In the original protos on Google3.

+  CANCELLED = 1;
+  UNKNOWN = 2;
+  INVALID_ARGUMENT = 3;
+  DEADLINE_EXCEEDED = 4;
+  NOT_FOUND = 5;
+  ALREADY_EXISTS = 6;
+  PERMISSION_DENIED = 7;
+  UNAUTHENTICATED = 16;
+  RESOURCE_EXHAUSTED = 8;
+  FAILED_PRECONDITION = 9;
+  ABORTED = 10;
+  OUT_OF_RANGE = 11;
+  UNIMPLEMENTED = 12;
+  INTERNAL = 13;
+  UNAVAILABLE = 14;
+  DATA_LOSS = 15;
+  DO_NOT_USE_RESERVED_FOR_FUTURE_EXPANSION_USE_DEFAULT_IN_SWITCH_INSTEAD_ = 20;
+}