SaveLayer is not a draw.

tests/RecordPatternTest.cpp

 #include "Test.h"
 
 #include "SkRecord.h"
 #include "SkRecordPattern.h"
 #include "SkRecorder.h"
 #include "SkRecords.h"
 
 using namespace SkRecords;
 typedef Pattern3<Is<Save>,
                  Is<ClipRect>,
@@ skipping 172 matching lines @@
     REPORTER_ASSERT(r, pattern.search(&record, &begin, &end));
     REPORTER_ASSERT(r, begin == 6);
     REPORTER_ASSERT(r, end == 9);
 
     REPORTER_ASSERT(r, pattern.search(&record, &begin, &end));
     REPORTER_ASSERT(r, begin == 13);
     REPORTER_ASSERT(r, end == 19);
 
     REPORTER_ASSERT(r, !pattern.search(&record, &begin, &end));
 }
+
+DEF_TEST(RecordPattern_SaveLayerIsNotADraw, r) {
+    Pattern1<IsDraw> pattern;
+
+    SkRecord record;
+    SkRecorder recorder(SkRecorder::kWriteOnly_Mode, &record, 1920, 1200);
+    recorder.saveLayer(NULL, NULL);
+
+    REPORTER_ASSERT(r, !pattern.match(&record, 0));
+}