Revert of Sketch DM refactor.

dm/DMReporter.cpp

+#include "DMReporter.h"
+
+#include "SkDynamicAnnotations.h"
+#include "SkCommonFlags.h"
+#include "OverwriteLine.h"
+#include "ProcStats.h"
+
+namespace DM {
+
+void Reporter::printStatus(SkString name, SkMSec timeMs) const {
+    if (FLAGS_quiet) {
+        return;
+    }
+
+    // It's okay if these are a little off---they're just for show---so we can read unprotectedly.
+    const int32_t failed  = SK_ANNOTATE_UNPROTECTED_READ(fFailed);
+    const int32_t pending = SK_ANNOTATE_UNPROTECTED_READ(fPending) - 1;
+
+    SkString status;
+    status.printf("%s%d tasks left", FLAGS_verbose ? "\n" : kSkOverwriteLine, pending);
+    if (failed > 0) {
+        status.appendf(", %d failed", failed);
+    }
+    if (FLAGS_verbose) {
+        int max_rss_mb = sk_tools::getMaxResidentSetSizeMB();
+        if (max_rss_mb >= 0) {
+            status.appendf("\t%4dM peak", max_rss_mb);
+        }
+        status.appendf("\t%5dms\t%s", timeMs, name.c_str());
+    }
+    SkDebugf("%s", status.c_str());
+}
+
+void Reporter::fail(SkString msg) {
+    sk_atomic_inc(&fFailed);
+
+    SkAutoMutexAcquire writer(&fMutex);
+    fFailures.push_back(msg);
+}
+
+void Reporter::getFailures(SkTArray<SkString>* failures) const {
+    SkAutoMutexAcquire reader(&fMutex);
+    *failures = fFailures;
+}
+
+}  // namespace DM