Let DM run unit tests.

dm/DMReporter.cpp

Index: dm/DMReporter.cpp
diff --git a/dm/DMReporter.cpp b/dm/DMReporter.cpp
index 0fd83e5bb656a1406cd6842a55185a4df8b96f45..1ff64c57cc5f56ded6207d0de5dcdfc27219b683 100644
--- a/dm/DMReporter.cpp
+++ b/dm/DMReporter.cpp
@@ -3,21 +3,27 @@
 #include "SkCommandLineFlags.h"
 #include "OverwriteLine.h"
 
-DEFINE_bool(quiet, false, "If true, don't print status updates.");
+DEFINE_bool2(quiet, q, false, "If true, don't print status updates.");
+DEFINE_bool2(verbose, v, false, "If true, print status updates one-per-line.");
 
 namespace DM {
 
-void Reporter::updateStatusLine() const {
+void Reporter::finish(SkString name) {
+    sk_atomic_inc(&fFinished);
+
     if (FLAGS_quiet) {
         return;
     }
 
     SkString status;
-    status.printf("%s%d tasks left", kSkOverwriteLine, this->started() - this->finished());
+    status.printf("%s%d tasks left",
+                  FLAGS_verbose ? "\n" : kSkOverwriteLine,
+                  this->started() - this->finished());
     const int failed = this->failed();
     if (failed > 0) {
         status.appendf(", %d failed", failed);
     }
+    status.appendf("\t[%s done]", name.c_str());
     SkDebugf(status.c_str());
 }
 
@@ -26,9 +32,9 @@ int32_t Reporter::failed() const {
     return fFailures.count();
 }
 
-void Reporter::fail(SkString name) {
+void Reporter::fail(SkString msg) {
     SkAutoMutexAcquire writer(&fMutex);
-    fFailures.push_back(name);
+    fFailures.push_back(msg);
 }
 
 void Reporter::getFailures(SkTArray<SkString>* failures) const {