components: Add out-of-line copy ctors for complex classes.

components/favicon_base/favicon_types.cc

 // 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.
 
 #include "components/favicon_base/favicon_types.h"
 
 #include "components/favicon_base/fallback_icon_style.h"
 
 namespace favicon_base {
 
 // ---------------------------------------------------------
 // FaviconImageResult
 
 FaviconImageResult::FaviconImageResult() {}
 
 FaviconImageResult::~FaviconImageResult() {}
 
 // --------------------------------------------------------
 // FaviconRawBitmapResult
 
 FaviconRawBitmapResult::FaviconRawBitmapResult()
     : expired(false), icon_type(INVALID_ICON) {
 }
 
+FaviconRawBitmapResult::FaviconRawBitmapResult(
+    const FaviconRawBitmapResult& other) = default;
+
 FaviconRawBitmapResult::~FaviconRawBitmapResult() {}
 
 // --------------------------------------------------------
 // LargeIconResult
 
 LargeIconResult::LargeIconResult(const FaviconRawBitmapResult& bitmap_in)
     : bitmap(bitmap_in) {}
 
 LargeIconResult::LargeIconResult(FallbackIconStyle* fallback_icon_style_in)
     : fallback_icon_style(fallback_icon_style_in) {}
 
 LargeIconResult::~LargeIconResult() {}
 
 }  // namespace favicon_base