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

chrome/browser/site_details.cc

 // Copyright 2013 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 "chrome/browser/site_details.h"
 
 #include "base/metrics/histogram.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
@@ skipping 66 matching lines @@
       &site_data->browsing_instances[site_instance];
   browsing_instance->site_instances.insert(site_instance);
 
   return site_instance;
 }
 
 }  // namespace
 
 ScenarioBrowsingInstanceInfo::ScenarioBrowsingInstanceInfo() {}
 
+ScenarioBrowsingInstanceInfo::ScenarioBrowsingInstanceInfo(
+    const ScenarioBrowsingInstanceInfo& other) = default;
+
 ScenarioBrowsingInstanceInfo::~ScenarioBrowsingInstanceInfo() {}
 
 BrowsingInstanceInfo::BrowsingInstanceInfo() {}
 
+BrowsingInstanceInfo::BrowsingInstanceInfo(const BrowsingInstanceInfo& other) =
+    default;
+
 BrowsingInstanceInfo::~BrowsingInstanceInfo() {}
 
 IsolationScenario::IsolationScenario() {}
 
+IsolationScenario::IsolationScenario(const IsolationScenario& other) = default;
+
 IsolationScenario::~IsolationScenario() {}
 
 SiteData::SiteData() {
   for (int i = 0; i <= ISOLATION_SCENARIO_LAST; i++)
     scenarios[i].policy = static_cast<IsolationScenarioType>(i);
 }
 
+SiteData::SiteData(const SiteData& other) = default;
+
 SiteData::~SiteData() {}
 
 SiteDetails::SiteDetails() {}
 
 SiteDetails::~SiteDetails() {}
 
 void SiteDetails::CollectSiteInfo(WebContents* contents,
                                   SiteData* site_data) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   BrowserContext* context = contents->GetBrowserContext();
@@ skipping 161 matching lines @@
   UMA_HISTOGRAM_COUNTS_100(
       "SiteIsolation.IsolateExtensionsProcessCountLowerBound",
       process_count_lower_bound[ISOLATE_EXTENSIONS]);
   UMA_HISTOGRAM_COUNTS_100(
       "SiteIsolation.IsolateExtensionsProcessCountEstimate",
       process_count_estimate[ISOLATE_EXTENSIONS]);
   UMA_HISTOGRAM_COUNTS_100(
       "SiteIsolation.IsolateExtensionsTotalProcessCountEstimate",
       process_count_estimate[ISOLATE_EXTENSIONS] + non_renderer_process_count);
 }