[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 674728838d4c7781a32a7ab2893c5970e078514b..7b2b1b92d7e9662a9e6b1b55aa6ffacf554b132e 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/devtools_manager.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"
@@ -4294,6 +4295,8 @@ void WebContentsImpl::RenderViewCreated(RenderViewHost* render_view_host) {
 
   FOR_EACH_OBSERVER(
       WebContentsObserver, observers_, RenderViewCreated(render_view_host));
+
+  DevToolsManager::GetInstance()->WebContentsCreated(this);
 }
 
 void WebContentsImpl::RenderViewReady(RenderViewHost* rvh) {