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

chrome/common/safe_browsing/zip_analyzer_results.cc

Index: chrome/common/safe_browsing/zip_analyzer_results.cc
diff --git a/chrome/common/safe_browsing/zip_analyzer_results.cc b/chrome/common/safe_browsing/zip_analyzer_results.cc
index f0da179cf8f8a43a57d22ff254afbd9ceb5e7a7e..ce3f9979a2f61a295bcd6f615e4fa30dfe296eba 100644
--- a/chrome/common/safe_browsing/zip_analyzer_results.cc
+++ b/chrome/common/safe_browsing/zip_analyzer_results.cc
@@ -13,6 +13,8 @@ namespace zip_analyzer {
 Results::Results() : success(false), has_executable(false), has_archive(false) {
 }
 
+Results::Results(const Results& other) = default;
+
 Results::~Results() {
 }