RenderViewTests: Implement proper shutdown.

content/public/test/render_view_test.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 "content/public/test/render_view_test.h"
 
 #include <cctype>
 
 #include "base/location.h"
 #include "base/run_loop.h"
@@ skipping 252 matching lines @@
   InitializeMojo();
 #endif
 
   // This needs to pass the mock render thread to the view.
   RenderViewImpl* view =
       RenderViewImpl::Create(compositor_deps_.get(), view_params, false);
   view_ = view;
 }
 
 void RenderViewTest::TearDown() {
-  // Try very hard to collect garbage before shutting down.
-  // "5" was chosen following http://crbug.com/46571#c9
-  const int kGCIterations = 5;
-  for (int i = 0; i < kGCIterations; i++)
-    GetMainFrame()->collectGarbage();
-
   // Run the loop so the release task from the renderwidget executes.
   ProcessPendingMessages();
 
-  for (int i = 0; i < kGCIterations; i++)
-    GetMainFrame()->collectGarbage();
+  render_thread_->SendCloseMessage();
 
-  render_thread_->SendCloseMessage();
+  scoped_ptr<blink::WebLeakDetector> leak_detector =
+      make_scoped_ptr(blink::WebLeakDetector::create(this));
+
+  leak_detector->collectGarbageAndGetDOMCounts(GetMainFrame());
+
   view_ = NULL;
   mock_process_.reset();
 
   // After telling the view to close and resetting mock_process_ we may get
   // some new tasks which need to be processed before shutting down WebKit
   // (http://crbug.com/21508).
   base::RunLoop().RunUntilIdle();
 
 #if defined(OS_MACOSX)
   // Needs to run before blink::shutdown().
   autorelease_pool_.reset(NULL);
 #endif
 
   blink_platform_impl_.Shutdown();
   blink::shutdown();
 
   platform_->PlatformUninitialize();
   platform_.reset();
   params_.reset();
   command_line_.reset();
 }
 
+void RenderViewTest::onLeakDetectionComplete(const Result& result) {
+  EXPECT_EQ(0u, result.numberOfLiveAudioNodes);
+  EXPECT_EQ(0u, result.numberOfLiveDocuments);
+  EXPECT_EQ(0u, result.numberOfLiveNodes);
+  EXPECT_EQ(0u, result.numberOfLiveLayoutObjects);
+  EXPECT_EQ(0u, result.numberOfLiveResources);
+  EXPECT_EQ(0u, result.numberOfLiveActiveDOMObjects);
+  EXPECT_EQ(0u, result.numberOfLiveScriptPromises);
+  EXPECT_EQ(0u, result.numberOfLiveFrames);
+  EXPECT_EQ(0u, result.numberOfLiveV8PerContextData);
+}
+
 void RenderViewTest::SendNativeKeyEvent(
     const NativeWebKeyboardEvent& key_event) {
   SendWebKeyboardEvent(key_event);
 }
 
 void RenderViewTest::SendWebKeyboardEvent(
     const blink::WebKeyboardEvent& key_event) {
   RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);
   impl->OnMessageReceived(
       InputMsg_HandleInputEvent(0, &key_event, ui::LatencyInfo(), false));
@@ skipping 267 matching lines @@
   TestRenderFrame* frame =
       static_cast<TestRenderFrame*>(impl->GetMainRenderFrame());
   frame->Navigate(common_params, StartNavigationParams(), request_params);
 
   // The load actually happens asynchronously, so we pump messages to process
   // the pending continuation.
   FrameLoadWaiter(frame).Wait();
 }
 
 }  // namespace content