Reduce string copies in GURL creation

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 9ea32c42984c04e9f13f96ab843861983d9c65d7..54aa3fa9531698ad8640463c2803460294018dd4 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -57,6 +57,7 @@
 #include "content/common/ssl_status_serialization.h"
 #include "content/common/swapped_out_messages.h"
 #include "content/common/view_messages.h"
+#include "content/public/child/url_conversion.h"
 #include "content/public/common/bindings_policy.h"
 #include "content/public/common/browser_side_navigation_policy.h"
 #include "content/public/common/content_constants.h"
@@ -2305,7 +2306,8 @@ blink::WebPlugin* RenderFrameImpl::createPlugin(
   std::string mime_type;
   bool found = false;
   WebString top_origin = frame->top()->securityOrigin().toString();
-  Send(new FrameHostMsg_GetPluginInfo(routing_id_, params.url, GURL(top_origin),
+  Send(new FrameHostMsg_GetPluginInfo(routing_id_, params.url,
+                                      WebStringToGURL(top_origin),
                                       params.mimeType.utf8(), &found, &info,
                                       &mime_type));
   if (!found)
@@ -2811,8 +2813,8 @@ void RenderFrameImpl::didCreateDataSource(blink::WebLocalFrame* frame,
   if (webview) {
     if (WebFrame* old_frame = webview->mainFrame()) {
       const WebURLRequest& original_request = datasource->originalRequest();
-      const GURL referrer(
-          original_request.httpHeaderField(WebString::fromUTF8("Referer")));
+      const GURL referrer(WebStringToGURL(
+          original_request.httpHeaderField(WebString::fromUTF8("Referer"))));
       if (!referrer.is_empty() && old_frame->isWebLocalFrame() &&
           DocumentState::FromDataSource(old_frame->dataSource())
               ->was_prefetcher()) {
@@ -3680,7 +3682,7 @@ void RenderFrameImpl::willSendRequest(
   extra_data->set_render_frame_id(routing_id_);
   extra_data->set_is_main_frame(!parent);
   extra_data->set_frame_origin(
-      GURL(frame->document().securityOrigin().toString()));
+      WebStringToGURL(frame->document().securityOrigin().toString()));
   extra_data->set_parent_is_main_frame(parent && !parent->parent());
   extra_data->set_parent_render_frame_id(parent_routing_id);
   extra_data->set_allow_download(
@@ -3923,7 +3925,7 @@ void RenderFrameImpl::requestStorageQuota(
   }
   ChildThreadImpl::current()->quota_dispatcher()->RequestStorageQuota(
       render_view_->GetRoutingID(),
-      GURL(origin.toString()),
+      WebStringToGURL(origin.toString()),
       static_cast<storage::StorageType>(type),
       requested_size,
       QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
@@ -4077,7 +4079,7 @@ bool RenderFrameImpl::allowWebGL(blink::WebLocalFrame* frame,
   bool blocked = true;
   Send(new FrameHostMsg_Are3DAPIsBlocked(
       routing_id_,
-      GURL(frame->top()->securityOrigin().toString()),
+      WebStringToGURL(frame->top()->securityOrigin().toString()),
       THREE_D_API_TYPE_WEBGL,
       &blocked));
   return !blocked;
@@ -4087,7 +4089,7 @@ void RenderFrameImpl::didLoseWebGLContext(blink::WebLocalFrame* frame,
                                           int arb_robustness_status_code) {
   DCHECK(!frame_ || frame_ == frame);
   Send(new FrameHostMsg_DidLose3DContext(
-      GURL(frame->top()->securityOrigin().toString()),
+      WebStringToGURL(frame->top()->securityOrigin().toString()),
       THREE_D_API_TYPE_WEBGL,
       arb_robustness_status_code));
 }