restore dump_record

And,
    - 4 space indents
    - print out time units (microseconds)

BUG=skia:

Review URL: https://codereview.chromium.org/1458943002
diff --git a/tools/dump_record.cpp b/tools/dump_record.cpp
new file mode 100644
index 0000000..49781bf
--- /dev/null
+++ b/tools/dump_record.cpp
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "DumpRecord.h"
+#include "LazyDecodeBitmap.h"
+#include "SkCommandLineFlags.h"
+#include "SkPicture.h"
+#include "SkRecordOpts.h"
+#include "SkRecorder.h"
+#include "SkStream.h"
+#include <stdio.h>
+
+DEFINE_string2(skps, r, "", ".SKPs to dump.");
+DEFINE_string(match, "", "The usual filters on file names to dump.");
+DEFINE_bool2(optimize, O, false, "Run SkRecordOptimize before dumping.");
+DEFINE_int32(tile, 1000000000, "Simulated tile size.");
+DEFINE_bool(timeWithCommand, false, "If true, print time next to command, else in first column.");
+
+static void dump(const char* name, int w, int h, const SkRecord& record) {
+    SkBitmap bitmap;
+    bitmap.allocN32Pixels(w, h);
+    SkCanvas canvas(bitmap);
+    canvas.clipRect(SkRect::MakeWH(SkIntToScalar(FLAGS_tile),
+                                   SkIntToScalar(FLAGS_tile)));
+
+    printf("%s %s\n", FLAGS_optimize ? "optimized" : "not-optimized", name);
+
+    DumpRecord(record, &canvas, FLAGS_timeWithCommand);
+}
+
+
+int tool_main(int argc, char** argv);
+int tool_main(int argc, char** argv) {
+    SkCommandLineFlags::Parse(argc, argv);
+
+    for (int i = 0; i < FLAGS_skps.count(); i++) {
+        if (SkCommandLineFlags::ShouldSkip(FLAGS_match, FLAGS_skps[i])) {
+            continue;
+        }
+
+        SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(FLAGS_skps[i]));
+        if (!stream) {
+            SkDebugf("Could not read %s.\n", FLAGS_skps[i]);
+            return 1;
+        }
+        SkAutoTUnref<SkPicture> src(
+                SkPicture::CreateFromStream(stream, sk_tools::LazyDecodeBitmap));
+        if (!src) {
+            SkDebugf("Could not read %s as an SkPicture.\n", FLAGS_skps[i]);
+            return 1;
+        }
+        const int w = SkScalarCeilToInt(src->cullRect().width());
+        const int h = SkScalarCeilToInt(src->cullRect().height());
+
+        SkRecord record;
+        SkRecorder canvas(&record, w, h);
+        src->playback(&canvas);
+
+        if (FLAGS_optimize) {
+            SkRecordOptimize(&record);
+        }
+
+        dump(FLAGS_skps[i], w, h, record);
+    }
+
+    return 0;
+}
+
+#if !defined SK_BUILD_FOR_IOS
+int main(int argc, char * const argv[]) {
+    return tool_main(argc, (char**) argv);
+}
+#endif