DevTools: check for target being oopif prior to matching its web contents.

chrome/browser/devtools/chrome_devtools_manager_delegate.cc

Index: chrome/browser/devtools/chrome_devtools_manager_delegate.cc
diff --git a/chrome/browser/devtools/chrome_devtools_manager_delegate.cc b/chrome/browser/devtools/chrome_devtools_manager_delegate.cc
index 53aa07c2f4046761d7b6a89fa007427d8299cae5..1fef75dcc0bf13e00affb6283a76533e1daf90a0 100644
--- a/chrome/browser/devtools/chrome_devtools_manager_delegate.cc
+++ b/chrome/browser/devtools/chrome_devtools_manager_delegate.cc
@@ -70,14 +70,14 @@ std::string ChromeDevToolsManagerDelegate::GetTargetType(
   if (guest_contents)
     return kTypeWebView;
 
+  if (host->GetParent())
+    return content::DevToolsAgentHost::kTypeFrame;
+
   for (TabContentsIterator it; !it.done(); it.Next()) {
     if (*it == web_contents)
       return content::DevToolsAgentHost::kTypePage;
   }
 
-  if (host->GetParent())
-    return content::DevToolsAgentHost::kTypeFrame;
-
   const extensions::Extension* extension = extensions::ExtensionRegistry::Get(
       web_contents->GetBrowserContext())->enabled_extensions().GetByID(
           host->GetLastCommittedURL().host());