Ensure tests have an active task runner

content/public/test/test_renderer_host.h

Index: content/public/test/test_renderer_host.h
diff --git a/content/public/test/test_renderer_host.h b/content/public/test/test_renderer_host.h
index 029b70ed4db6223111a2340c0857e86315ea5a1b..e4eb93d4fd471a7919d16bdadf1edfcf9d097473 100644
--- a/content/public/test/test_renderer_host.h
+++ b/content/public/test/test_renderer_host.h
@@ -231,6 +231,9 @@ class RenderViewHostTestHarness : public testing::Test {
   void SetRenderProcessHostFactory(RenderProcessHostFactory* factory);
 
  private:
+  int thread_bundle_options_;
+  scoped_ptr<TestBrowserThreadBundle> thread_bundle_;
+
   scoped_ptr<ContentBrowserSanityChecker> sanity_checker_;
 
   scoped_ptr<BrowserContext> browser_context_;
@@ -244,9 +247,6 @@ class RenderViewHostTestHarness : public testing::Test {
 #endif
   RenderViewHostTestEnabler rvh_test_enabler_;
 
-  int thread_bundle_options_;
-  scoped_ptr<TestBrowserThreadBundle> thread_bundle_;
-
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostTestHarness);
 };