Add --expose-internals-for-testing flag

content/shell/renderer/shell_content_renderer_client.cc

Index: content/shell/renderer/shell_content_renderer_client.cc
diff --git a/content/shell/renderer/shell_content_renderer_client.cc b/content/shell/renderer/shell_content_renderer_client.cc
index b9d3fd13161bc8fbc23c466ccf22b93764c4a7bd..9a70ecf3e52c2e0f83ecb93e1535ad086f2250d8 100644
--- a/content/shell/renderer/shell_content_renderer_client.cc
+++ b/content/shell/renderer/shell_content_renderer_client.cc
@@ -13,6 +13,7 @@
 #include "content/public/test/layouttest_support.h"
 #include "content/shell/common/shell_switches.h"
 #include "content/shell/renderer/shell_render_process_observer.h"
+#include "content/shell/renderer/shell_render_view_observer.h"
 #include "content/shell/renderer/webkit_test_runner.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamCenter.h"
 #include "third_party/WebKit/public/testing/WebTestInterfaces.h"
@@ -80,6 +81,8 @@ void ShellContentRendererClient::RenderThreadStarted() {
 }
 
 void ShellContentRendererClient::RenderViewCreated(RenderView* render_view) {
+  new ShellRenderViewObserver(render_view);
+
   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree))
     return;
   WebKitTestRunner* test_runner = WebKitTestRunner::Get(render_view);