Fix crbug/24815. Changes affect profiler "lazy" mode used for V8 in Chromium.

test/cctest/test-log.cc

Index: test/cctest/test-log.cc
diff --git a/test/cctest/test-log.cc b/test/cctest/test-log.cc
index 3983215a29685596df5b8ac9b7e4aca676cbf887..b1cb63c6326b45655f56ef24755e1873e147a73b 100644
--- a/test/cctest/test-log.cc
+++ b/test/cctest/test-log.cc
@@ -256,11 +256,10 @@ TEST(ProfLazyMode) {
   // No sampling should happen prior to resuming profiler.
   CHECK(!LoggerTestHelper::IsSamplerActive());
 
-  // Read initial logged data (static libs map).
   EmbeddedVector<char, 102400> buffer;
+  // Nothing must be logged until profiling is resumed.
   int log_pos = GetLogLines(0, &buffer);
-  CHECK_GT(log_pos, 0);
-  CHECK_GT(buffer.length(), log_pos);
+  CHECK_EQ(0, log_pos);
 
   CompileAndRunScript("var a = (function(x) { return x + 1; })(10);");