Add more out of line copy ctors for complex classes.

content/common/frame_replication_state.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_COMMON_FRAME_REPLICATION_STATE_H_
 #define CONTENT_COMMON_FRAME_REPLICATION_STATE_H_
 
 #include "content/common/content_export.h"
 #include "url/origin.h"
 
 namespace blink {
 enum class WebTreeScopeType;
 enum class WebSandboxFlags;
 }
 
 namespace content {
 
 // This structure holds information that needs to be replicated between a
 // RenderFrame and any of its associated RenderFrameProxies.
 struct CONTENT_EXPORT FrameReplicationState {
   FrameReplicationState();
   FrameReplicationState(blink::WebTreeScopeType scope,
                         const std::string& name,
                         const std::string& unique_name,
                         blink::WebSandboxFlags sandbox_flags,
                         bool should_enforce_strict_mixed_content_checking,
                         bool has_potentially_trustworthy_unique_origin);
+  FrameReplicationState(const FrameReplicationState& other);
   ~FrameReplicationState();
 
   // Current origin of the frame. This field is updated whenever a frame
   // navigation commits.
   //
   // TODO(alexmos): For now, |origin| updates are immediately sent to all frame
   // proxies when in --site-per-process mode. This isn't ideal, since Blink
   // typically needs a proxy's origin only when performing security checks on
   // the ancestors of a local frame.  So, as a future improvement, we could
   // delay sending origin updates to proxies until they have a local descendant
@@ skipping 57 matching lines @@
   // trustworthy.
   bool has_potentially_trustworthy_unique_origin;
 
   // TODO(alexmos): Eventually, this structure can also hold other state that
   // needs to be replicated, such as frame sizing info.
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_FRAME_REPLICATION_STATE_H_