FBTF: Move ctors/dtors into implementation files. Adds ctors/dtors to non-POD structs.

printing/printed_document.cc

Index: printing/printed_document.cc
diff --git a/printing/printed_document.cc b/printing/printed_document.cc
index 560f95bab4ef72a3cfefa892fe91dbf5c16643b7..f5989f61ffaa3a7e83621ab3b2b18c4c2655864f 100644
--- a/printing/printed_document.cc
+++ b/printing/printed_document.cc
@@ -303,6 +303,9 @@ PrintedDocument::Mutable::Mutable(PrintedPagesSource* source)
       shrink_factor(0) {
 }
 
+PrintedDocument::Mutable::~Mutable() {
+}
+
 PrintedDocument::Immutable::Immutable(const PrintSettings& settings,
                                       PrintedPagesSource* source,
                                       int cookie)
@@ -327,4 +330,7 @@ PrintedDocument::Immutable::Immutable(const PrintSettings& settings,
 #endif  // OS_WIN
 }
 
+PrintedDocument::Immutable::~Immutable() {
+}
+
 }  // namespace printing