Add url::Origin::GetURL() to convert Origins to URLs without reparsing

third_party/WebKit/Source/platform/weborigin/SecurityOrigin.cpp

Index: third_party/WebKit/Source/platform/weborigin/SecurityOrigin.cpp
diff --git a/third_party/WebKit/Source/platform/weborigin/SecurityOrigin.cpp b/third_party/WebKit/Source/platform/weborigin/SecurityOrigin.cpp
index 3883806fc08832c0cb79487ac847578726bfe9f5..7afadf2571f968cd50532573bcde899c351b5015 100644
--- a/third_party/WebKit/Source/platform/weborigin/SecurityOrigin.cpp
+++ b/third_party/WebKit/Source/platform/weborigin/SecurityOrigin.cpp
@@ -432,7 +432,7 @@ String SecurityOrigin::toPhysicalOriginString() const {
 
 String SecurityOrigin::toRawString() const {
   if (m_protocol == "file")
-    return "file://";
+    return "file:///";
 
   StringBuilder result;
   buildRawString(result, true);
@@ -441,7 +441,7 @@ String SecurityOrigin::toRawString() const {
 
 String SecurityOrigin::toRawStringIgnoreSuborigin() const {
   if (m_protocol == "file")
-    return "file://";
+    return "file:///";
 
   StringBuilder result;
   buildRawString(result, false);
@@ -482,7 +482,7 @@ bool SecurityOrigin::deserializeSuboriginAndProtocolAndHost(
 
 AtomicString SecurityOrigin::toRawAtomicString() const {
   if (m_protocol == "file")
-    return AtomicString("file://");
+    return AtomicString("file:///");
 
   StringBuilder result;
   buildRawString(result, true);