Fix nits. (#278)

g-easy · web-flow · commit 93a91fff4390 · 2019-02-12T17:01:03.000+11:00
* kVersionLen was unused. Use it.

* Add missing dependency.
diff --git a/opencensus/trace/BUILD b/opencensus/trace/BUILD
@@ -127,6 +127,7 @@ cc_library(
     visibility = ["//visibility:public"],
     deps = [
         ":span_context",
+        "@com_google_absl//absl/strings",
     ],
 )
 
diff --git a/opencensus/trace/internal/grpc_trace_bin.cc b/opencensus/trace/internal/grpc_trace_bin.cc
@@ -42,7 +42,8 @@ constexpr int kTraceIdOfs = 1;
 constexpr int kSpanIdOfs = kTraceIdOfs + 1 + kTraceIdLen;
 constexpr int kTraceOptionsOfs = kSpanIdOfs + 1 + kSpanIdLen;
 
-static_assert(1 + 1 + kTraceIdLen + 1 + kSpanIdLen + 1 + kTraceOptionsLen ==
+static_assert(kVersionLen + 1 + kTraceIdLen + 1 + kSpanIdLen + 1 +
+                      kTraceOptionsLen ==
                   kGrpcTraceBinHeaderLen,
               "header length is wrong");
 

Original file line number	Diff line number	Diff line change
`@@ -127,6 +127,7 @@ cc_library(`
`127`	`127`	`visibility = ["//visibility:public"],`
`128`	`128`	`deps = [`
`129`	`129`	`":span_context",`
	`130`	`+ "@com_google_absl//absl/strings",`
`130`	`131`	`],`
`131`	`132`	`)`
`132`	`133`