Simplify timeline backend

runtime/vm/dart_api_impl_test.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "bin/builtin.h"
 #include "include/dart_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 #include "include/dart_tools_api.h"
 #include "platform/assert.h"
@@ skipping 9408 matching lines @@
 TEST_CASE(Timeline_Dart_TimelineDuration) {
   Isolate* isolate = Isolate::Current();
   // Grab embedder stream.
   TimelineStream* stream = isolate->GetEmbedderStream();
   // Make sure it is enabled.
   stream->set_enabled(true);
   // Add a duration event.
   Dart_TimelineDuration("testDurationEvent", 0, 1);
   // Check that it is in the output.
   TimelineEventRecorder* recorder = Timeline::recorder();
-  Timeline::ReclaimIsolateBlocks();
+  Timeline::ReclaimCachedBlocksFromThreads();
   JSONStream js;
   IsolateTimelineEventFilter filter(isolate);
   recorder->PrintJSON(&js, &filter);
   EXPECT_SUBSTRING("testDurationEvent", js.ToCString());
 }
 
 
 TEST_CASE(Timeline_Dart_TimelineInstant) {
   Isolate* isolate = Isolate::Current();
   // Grab embedder stream.
   TimelineStream* stream = isolate->GetEmbedderStream();
   // Make sure it is enabled.
   stream->set_enabled(true);
   Dart_TimelineInstant("testInstantEvent");
   // Check that it is in the output.
   TimelineEventRecorder* recorder = Timeline::recorder();
-  Timeline::ReclaimIsolateBlocks();
+  Timeline::ReclaimCachedBlocksFromThreads();
   JSONStream js;
   IsolateTimelineEventFilter filter(isolate);
   recorder->PrintJSON(&js, &filter);
   EXPECT_SUBSTRING("testInstantEvent", js.ToCString());
 }
 
 
 TEST_CASE(Timeline_Dart_TimelineAsyncDisabled) {
   Isolate* isolate = Isolate::Current();
   // Grab embedder stream.
   TimelineStream* stream = isolate->GetEmbedderStream();
   // Make sure it is disabled.
   stream->set_enabled(false);
   int64_t async_id = -1;
   Dart_TimelineAsyncBegin("testAsyncEvent", &async_id);
   // Expect that the |async_id| is negative because the stream is disabled.
   EXPECT(async_id < 0);
   // Call Dart_TimelineAsyncEnd with a negative async_id.
   Dart_TimelineAsyncEnd("testAsyncEvent", async_id);
   // Check that testAsync is not in the output.
   TimelineEventRecorder* recorder = Timeline::recorder();
-  Timeline::ReclaimIsolateBlocks();
+  Timeline::ReclaimCachedBlocksFromThreads();
   JSONStream js;
   TimelineEventFilter filter;
   recorder->PrintJSON(&js, &filter);
   EXPECT_NOTSUBSTRING("testAsyncEvent", js.ToCString());
 }
 
 
 TEST_CASE(Timeline_Dart_TimelineAsync) {
   Isolate* isolate = Isolate::Current();
   // Grab embedder stream.
   TimelineStream* stream = isolate->GetEmbedderStream();
   // Make sure it is enabled.
   stream->set_enabled(true);
   int64_t async_id = -1;
   Dart_TimelineAsyncBegin("testAsyncEvent", &async_id);
   // Expect that the |async_id| is >= 0.
   EXPECT(async_id >= 0);
 
   Dart_TimelineAsyncEnd("testAsyncEvent", async_id);
 
   // Check that it is in the output.
   TimelineEventRecorder* recorder = Timeline::recorder();
-  Timeline::ReclaimIsolateBlocks();
+  Timeline::ReclaimCachedBlocksFromThreads();
   JSONStream js;
   IsolateTimelineEventFilter filter(isolate);
   recorder->PrintJSON(&js, &filter);
   EXPECT_SUBSTRING("testAsyncEvent", js.ToCString());
 }
 
 
 struct AppendData {
   uint8_t* buffer;
   intptr_t buffer_length;
@@ skipping 286 matching lines @@
 
   // Heartbeat test for new events.
   EXPECT_SUBSTRING("\"name\":\"TestVMDuration2\"", buffer);
   EXPECT_SUBSTRING("\"function\":\"::_bar\"", buffer);
 
   // Free buffer allocated by AppendStreamConsumer
   free(data.buffer);
 }
 
 }  // namespace dart