Have nanobench --verbose mode always just print integer nanoseconds.

bench/nanobench.cpp

Index: bench/nanobench.cpp
diff --git a/bench/nanobench.cpp b/bench/nanobench.cpp
index 923a0df7b155996ab6d940d3f4ef13333cadd86a..21aeef4b3c263f57616b58fd2b7b41ae783376b6 100644
--- a/bench/nanobench.cpp
+++ b/bench/nanobench.cpp
@@ -72,12 +72,13 @@ DEFINE_string(scales, "1.0", "Space-separated scales for SKPs.");
 DEFINE_bool(bbh, true, "Build a BBH for SKPs?");
 
 static SkString humanize(double ms) {
-    if (ms > 1e+3) return SkStringPrintf("%.3gs",  ms/1e3);
-    if (ms < 1e-3) return SkStringPrintf("%.3gns", ms*1e6);
+    if (FLAGS_verbose) return SkStringPrintf("%llu", (uint64_t)(ms*1e6));
+    if (ms > 1e+3)     return SkStringPrintf("%.3gs",  ms/1e3);
+    if (ms < 1e-3)     return SkStringPrintf("%.3gns", ms*1e6);
 #ifdef SK_BUILD_FOR_WIN
-    if (ms < 1)    return SkStringPrintf("%.3gus", ms*1e3);
+    if (ms < 1)        return SkStringPrintf("%.3gus", ms*1e3);
 #else
-    if (ms < 1)    return SkStringPrintf("%.3gµs", ms*1e3);
+    if (ms < 1)        return SkStringPrintf("%.3gµs", ms*1e3);
 #endif
     return SkStringPrintf("%.3gms", ms);
 }