CPUProfiler: Improve line numbers support in profiler.

test/cctest/test-cpu-profiler.cc

Index: test/cctest/test-cpu-profiler.cc
diff --git a/test/cctest/test-cpu-profiler.cc b/test/cctest/test-cpu-profiler.cc
index a99389f5abdcd4eea33665bbe87fa92c27069afb..1c51a852978d5fe967deed0ab46c59d9c1d86f6b 100644
--- a/test/cctest/test-cpu-profiler.cc
+++ b/test/cctest/test-cpu-profiler.cc
@@ -53,7 +53,7 @@ TEST(StartStop) {
   ProfileGenerator generator(&profiles);
   ProfilerEventsProcessor processor(&generator);
   processor.Start();
-  processor.Stop();
+  processor.StopSynchronously();
   processor.Join();
 }
 
@@ -161,7 +161,7 @@ TEST(CodeEvents) {
   // Enqueue a tick event to enable code events processing.
   EnqueueTickSampleEvent(&processor, aaa_code->address());
 
-  processor.Stop();
+  processor.StopSynchronously();
   processor.Join();
 
   // Check the state of profile generator.
@@ -223,7 +223,7 @@ TEST(TickEvents) {
       frame2_code->instruction_end() - 1,
       frame1_code->instruction_end() - 1);
 
-  processor.Stop();
+  processor.StopSynchronously();
   processor.Join();
   CpuProfile* profile =
       profiles->StopProfiling(TokenEnumerator::kNoSecurityToken, "", 1);
@@ -288,7 +288,7 @@ TEST(Issue1398) {
     sample->stack[i] = code->address();
   }
 
-  processor.Stop();
+  processor.StopSynchronously();
   processor.Join();
   CpuProfile* profile =
       profiles->StopProfiling(TokenEnumerator::kNoSecurityToken, "", 1);