[DevTools] Implement Target.setDiscoverTargets method.

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 2d93f2d605fbfd6d49ce5b308a0baebf1b89b6f0..52adb30e89dc1ae6ec334540246e7662be785ecd 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -37,6 +37,7 @@
 #include "content/browser/browser_plugin/browser_plugin_embedder.h"
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 #include "content/browser/child_process_security_policy_impl.h"
+#include "content/browser/devtools/render_frame_devtools_agent_host.h"
 #include "content/browser/dom_storage/dom_storage_context_wrapper.h"
 #include "content/browser/dom_storage/session_storage_namespace_impl.h"
 #include "content/browser/download/download_stats.h"
@@ -89,7 +90,6 @@
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_plugin_guest_manager.h"
 #include "content/public/browser/content_browser_client.h"
-#include "content/public/browser/devtools_agent_host.h"
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/download_url_parameters.h"
 #include "content/public/browser/guest_mode.h"
@@ -4226,6 +4226,7 @@ void WebContentsImpl::RenderViewCreated(RenderViewHost* render_view_host) {
 
   FOR_EACH_OBSERVER(
       WebContentsObserver, observers_, RenderViewCreated(render_view_host));
+  RenderFrameDevToolsAgentHost::WebContentsCreated(this);
 }
 
 void WebContentsImpl::RenderViewReady(RenderViewHost* rvh) {