Remove logic for lazy initialization of WebKit.

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 c7999040f16462558438d62f81966da2bd97a8b7..c1d501ca46320f0ab110de09da8b7e57bebad9c2 100644
--- a/content/shell/renderer/shell_content_renderer_client.cc
+++ b/content/shell/renderer/shell_content_renderer_client.cc
@@ -6,7 +6,6 @@
 
 #include "base/command_line.h"
 #include "components/web_cache/renderer/web_cache_render_process_observer.h"
-#include "content/public/renderer/render_thread.h"
 #include "content/shell/renderer/shell_render_view_observer.h"
 #include "third_party/WebKit/public/web/WebView.h"
 #include "v8/include/v8.h"
@@ -23,9 +22,7 @@ ShellContentRendererClient::~ShellContentRendererClient() {
 }
 
 void ShellContentRendererClient::RenderThreadStarted() {
-  RenderThread* thread = RenderThread::Get();
   web_cache_observer_.reset(new web_cache::WebCacheRenderProcessObserver());
-  thread->AddObserver(web_cache_observer_.get());
 }
 
 void ShellContentRendererClient::RenderViewCreated(RenderView* render_view) {