Reduce string copies in GURL creation

media/blink/webmediaplayer_impl.cc

Index: media/blink/webmediaplayer_impl.cc
diff --git a/media/blink/webmediaplayer_impl.cc b/media/blink/webmediaplayer_impl.cc
index 584a0d951b17bf60d709d299a316c455094ff59b..463a61cb00c0c9b492b28c7e75d4051b834a7a24 100644
--- a/media/blink/webmediaplayer_impl.cc
+++ b/media/blink/webmediaplayer_impl.cc
@@ -44,6 +44,7 @@
 #include "media/blink/webmediasource_impl.h"
 #include "media/filters/chunk_demuxer.h"
 #include "media/filters/ffmpeg_demuxer.h"
+#include "third_party/WebKit/public/platform/URLConversion.h"
 #include "third_party/WebKit/public/platform/WebEncryptedMediaTypes.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayerClient.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayerEncryptedMediaClient.h"
@@ -266,8 +267,9 @@ void WebMediaPlayerImpl::DoLoad(LoadType load_type,
   DCHECK(main_task_runner_->BelongsToCurrentThread());
 
   GURL gurl(url);
-  ReportMetrics(load_type, gurl,
-                GURL(frame_->document().securityOrigin().toString()));
+  ReportMetrics(
+      load_type, gurl,
+      blink::WebStringToGURL(frame_->document().securityOrigin().toString()));
 
   // Set subresource URL for crash reporting.
   base::debug::SetCrashKeyValue("subresource_url", gurl.spec());