BrowserPlugin/WebView - Move plugin lifetime to DOM

public/testing/WebFrameTestProxy.h

Index: public/testing/WebFrameTestProxy.h
diff --git a/public/testing/WebFrameTestProxy.h b/public/testing/WebFrameTestProxy.h
index 426bbe2c29300976a8be4c36af81960a62ea1ce0..e906a2314e0154b83c33417c1e13007587a4c70d 100644
--- a/public/testing/WebFrameTestProxy.h
+++ b/public/testing/WebFrameTestProxy.h
@@ -33,6 +33,7 @@
 
 #include "WebTestProxy.h"
 #include "public/platform/WebNonCopyable.h"
+#include "public/platform/WebString.h"
 
 namespace WebTestRunner {
 
@@ -67,6 +68,13 @@ public:
     }
 
     // WebFrameClient implementation.
+    virtual bool canCreatePluginWithoutRenderer(const blink::WebString& mimeType)
+    {
+        using blink::WebString;
+
+        static const WebString suffix = WebString::fromUTF8("-can-create-without-renderer");
+        return mimeType.utf8().find(suffix.utf8()) != std::string::npos;
+    }
     virtual void didStartProvisionalLoad(blink::WebFrame* frame)
     {
         if (m_version > 2)