DevTools: Migrate to new WebView initialization (pass devtools client directly).

chrome/renderer/render_view.cc

Index: chrome/renderer/render_view.cc
diff --git a/chrome/renderer/render_view.cc b/chrome/renderer/render_view.cc
index 6b95e29e4e6f2364c85e1fdf2c298aa04829518f..312161b346f515eab0cb6d7a488308e0f68806a5 100644
--- a/chrome/renderer/render_view.cc
+++ b/chrome/renderer/render_view.cc
@@ -561,14 +561,12 @@ void RenderView::Init(gfx::NativeViewId parent_hwnd,
 
   devtools_agent_.reset(new DevToolsAgent(routing_id, this));
 
-  webwidget_ = WebView::create(this);
+  webwidget_ = WebView::create(this, devtools_agent_.get());
   Singleton<ViewMap>::get()->insert(std::make_pair(webview(), this));
   webkit_preferences_.Apply(webview());
   webview()->initializeMainFrame(this);
   if (!frame_name.empty())
     webview()->mainFrame()->setName(frame_name);
-  webview()->setDevToolsAgent(
-      WebDevToolsAgent::create(webview(), devtools_agent_.get()));
 
   OnSetRendererPrefs(renderer_prefs);