Out-of-line url::Origin copy and move constructor/assignment operators.

Saves a few kilobytes on an official build.

Change-Id: Iee0abb341216bcb7c7f5cad214b162567aeb0676
Reviewed-on: https://chromium-review.googlesource.com/720461Reviewed-by: Mike West <mkwst@google.com>
Reviewed-by: Brett Wilson <brettw@chromium.org>
Commit-Queue: Daniel Cheng <dcheng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#509513}

url/origin.cc

@@ -80,6 +80,11 @@ Origin::Origin(const GURL& url) : unique_(true), suborigin_(std::string()) {
   unique_ = tuple_.IsInvalid();
 }
 
+Origin::Origin(const Origin&) = default;
+Origin& Origin::operator=(const Origin&) = default;
+Origin::Origin(Origin&&) = default;
+Origin& Origin::operator=(Origin&&) = default;
+
 Origin::Origin(base::StringPiece scheme,
                base::StringPiece host,
                uint16_t port,

url/origin.h

@@ -90,10 +90,10 @@ class URL_EXPORT Origin {
   explicit Origin(const GURL& url);
 
   // Copyable and movable.
-  Origin(const Origin&) = default;
-  Origin& operator=(const Origin&) = default;
-  Origin(Origin&&) = default;
-  Origin& operator=(Origin&&) = default;
+  Origin(const Origin&);
+  Origin& operator=(const Origin&);
+  Origin(Origin&&);
+  Origin& operator=(Origin&&);
 
   // Creates an Origin from a |scheme|, |host|, |port| and |suborigin|. All the
   // parameters must be valid and canonicalized. Do not use this method to