Invoke LeakSanitizer on teardown of some browser test fixtures.

chrome/test/base/chrome_render_view_test.cc

Index: chrome/test/base/chrome_render_view_test.cc
diff --git a/chrome/test/base/chrome_render_view_test.cc b/chrome/test/base/chrome_render_view_test.cc
index e92236fff3787c14f1371673d0d543f44c4cada6..0d9fb77c08e890b424548328dd49fc4731bfbebb 100644
--- a/chrome/test/base/chrome_render_view_test.cc
+++ b/chrome/test/base/chrome_render_view_test.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/test/base/chrome_render_view_test.h"
 
+#include "base/debug/leak_annotations.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/renderer/extensions/chrome_v8_context_set.h"
@@ -75,5 +76,10 @@ void ChromeRenderViewTest::TearDown() {
   extension_dispatcher_->OnRenderProcessShutdown();
   extension_dispatcher_ = NULL;
 
+#if defined(LEAK_SANITIZER)
+  // Do this before shutting down V8 in RenderViewTest::TearDown().
+  // http://crbug.com/328552
+  __lsan_do_leak_check();
+#endif
   content::RenderViewTest::TearDown();
 }