Implement frame attribution (FrameBlamer)

base/trace_event/trace_event_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <math.h>
 #include <stddef.h>
 #include <stdint.h>
 
 #include <cstdlib>
 
@@ skipping 468 matching lines @@
         "TRACE_EVENT_END_WITH_ID_TID_AND_TIMESTAMP0 call",
         kAsyncId2, kThreadId, 45678);
 
     TRACE_EVENT_OBJECT_CREATED_WITH_ID("all", "tracked object 1", 0x42);
     TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID(
         "all", "tracked object 1", 0x42, "hello");
     TRACE_EVENT_OBJECT_DELETED_WITH_ID("all", "tracked object 1", 0x42);
 
     TraceScopedTrackableObject<int> trackable("all", "tracked object 2",
                                               0x2128506);
-    trackable.snapshot("world");
+    trackable.Snapshot("world");
 
     TRACE_EVENT_OBJECT_CREATED_WITH_ID(
         "all", "tracked object 3", TRACE_ID_WITH_SCOPE("scope", 0x42));
     TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID(
         "all", "tracked object 3", TRACE_ID_WITH_SCOPE("scope", 0x42), "hello");
     TRACE_EVENT_OBJECT_DELETED_WITH_ID(
         "all", "tracked object 3", TRACE_ID_WITH_SCOPE("scope", 0x42));
 
     TRACE_EVENT1(kControlCharacters, kControlCharacters,
                  kControlCharacters, kControlCharacters);
@@ skipping 2566 matching lines @@
 }
 
 TEST_F(TraceEventTestFixture, SyntheticDelayConfigurationToString) {
   const char filter[] = "DELAY(test.Delay;16;oneshot)";
   TraceConfig config(filter, "");
   EXPECT_EQ(filter, config.ToCategoryFilterString());
 }
 
 }  // namespace trace_event
 }  // namespace base