4 files changed, 13 insertions, 1 deletions
diff --git a/printing/print_settings.cc b/printing/print_settings.cc
index 98a9ebf..0950d63 100644
--- a/printing/print_settings.cc
+++ b/printing/print_settings.cc
@@ -31,6 +31,9 @@ PrintSettings::PrintSettings()
       landscape_(false) {
 }
 
+PrintSettings::~PrintSettings() {
+}
+
 void PrintSettings::Clear() {
   ranges.clear();
   min_shrink = 1.25;
diff --git a/printing/print_settings.h b/printing/print_settings.h
index bdea485..8cde1ca 100644
--- a/printing/print_settings.h
+++ b/printing/print_settings.h
@@ -25,6 +25,7 @@ namespace printing {
 class PrintSettings {
  public:
   PrintSettings();
+  ~PrintSettings();
 
   // Reinitialize the settings to the default values.
   void Clear();
diff --git a/printing/printed_document.cc b/printing/printed_document.cc
index 560f95b..f5989f6 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
diff --git a/printing/printed_document.h b/printing/printed_document.h
index e4a3280..dfab7a5 100644
--- a/printing/printed_document.h
+++ b/printing/printed_document.h
@@ -111,7 +111,7 @@ class PrintedDocument : public base::RefCountedThreadSafe<PrintedDocument> {
  private:
   friend class base::RefCountedThreadSafe<PrintedDocument>;
 
-  ~PrintedDocument();
+  virtual ~PrintedDocument();
 
   // Array of data for each print previewed page.
   typedef std::map<int, scoped_refptr<PrintedPage> > PrintedPages;
@@ -120,6 +120,7 @@ class PrintedDocument : public base::RefCountedThreadSafe<PrintedDocument> {
   // lock held.
   struct Mutable {
     explicit Mutable(PrintedPagesSource* source);
+    ~Mutable();
 
     // Source that generates the PrintedPage's (i.e. a TabContents). It will be
     // set back to NULL if the source is deleted before this object.
@@ -146,6 +147,7 @@ class PrintedDocument : public base::RefCountedThreadSafe<PrintedDocument> {
   struct Immutable {
     Immutable(const PrintSettings& settings, PrintedPagesSource* source,
               int cookie);
+    ~Immutable();
 
     // Print settings used to generate this document. Immutable.
     PrintSettings settings_;