DM: support non-fatal errors

dm/DM.cpp

 #include "CrashHandler.h"
 #include "DMJsonWriter.h"
 #include "DMSrcSink.h"
 #include "DMSrcSinkAndroid.h"
 #include "OverwriteLine.h"
 #include "ProcStats.h"
 #include "SkBBHFactory.h"
 #include "SkChecksum.h"
 #include "SkCommonFlags.h"
 #include "SkForceLinking.h"
@@ skipping 168 matching lines @@
     struct : public Src {
         Error draw(SkCanvas*) const SK_OVERRIDE { return ""; }
         SkISize size() const SK_OVERRIDE { return SkISize::Make(16, 16); }
         Name name() const SK_OVERRIDE { return "noop"; }
     } noop;
 
     SkBitmap bitmap;
     SkDynamicMemoryWStream stream;
     SkString log;
     Error err = sink->draw(noop, &bitmap, &stream, &log);
-    if (!err.isEmpty()) {
+    if (err.isFatal()) {
         SkDebugf("Skipping %s: %s\n", tag, err.c_str());
         return;
     }
 
     Tagged<Sink>& ts = gSinks.push_back();
     ts.reset(sink.detach());
     ts.tag = tag;
 }
 
 static bool gpu_supported() {
@@ skipping 114 matching lines @@
         SkString name = task->src->name();
         SkString whyBlacklisted = is_blacklisted(task->sink.tag, task->src.tag, name.c_str());
         SkString log;
         WallTimer timer;
         timer.start();
         if (!FLAGS_dryRun && whyBlacklisted.isEmpty()) {
             SkBitmap bitmap;
             SkDynamicMemoryWStream stream;
             Error err = task->sink->draw(*task->src, &bitmap, &stream, &log);
             if (!err.isEmpty()) {
-                fail(SkStringPrintf("%s %s %s: %s",
-                                    task->sink.tag,
-                                    task->src.tag,
-                                    name.c_str(),
-                                    err.c_str()));
+                timer.end();
+                if (err.isFatal()) {
+                    fail(SkStringPrintf("%s %s %s: %s",
+                                        task->sink.tag,
+                                        task->src.tag,
+                                        name.c_str(),
+                                        err.c_str()));
+                } else {
+                    name.appendf(" (skipped: %s)", err.c_str());
+                }
+                done(timer.fWall, task->sink.tag, task->src.tag, name, log);
+                return;
             }
             SkAutoTDelete<SkStreamAsset> data(stream.detachAsStream());
 
             SkString md5;
             if (!FLAGS_writePath.isEmpty() || !FLAGS_readPath.isEmpty()) {
                 SkMD5 hash;
                 if (data->getLength()) {
                     hash.writeStream(data, data->getLength());
                     data->rewind();
                 } else {
@@ skipping 227 matching lines @@
     }
     return 0;
 }
 
 #if !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_NACL)
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return dm_main();
 }
 #endif