First patch in making destructors of refcounted objects private.

BUG=26749
Review URL: http://codereview.chromium.org/360042

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@31136 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 16 insertions, 0 deletions

diff --git a/media/base/buffers.h b/media/base/buffers.h
index 27ad130..6102ea9 100644
--- a/media/base/buffers.h
+++ b/media/base/buffers.h
@@ -100,6 +100,9 @@ class Buffer : public StreamSample {
 
   // If there's no data in this buffer, it represents end of stream.
   virtual bool IsEndOfStream() const { return GetData() == NULL; }
+
+ protected:
+  virtual ~Buffer() {}
 };
 
 
@@ -114,6 +117,9 @@ class WritableBuffer : public Buffer  {
 
   // Returns the size of the underlying buffer.
   virtual size_t GetBufferSize() const = 0;
+
+ protected:
+  virtual ~WritableBuffer() {}
 };
 
 
diff --git a/media/base/factory.h b/media/base/factory.h
index 3ccfcb1..ade8990 100644
--- a/media/base/factory.h
+++ b/media/base/factory.h
@@ -93,6 +93,8 @@ class FilterFactoryCollection : public FilterFactory {
   }
 
  private:
+  ~FilterFactoryCollection() {}
+
   typedef std::vector< scoped_refptr<FilterFactory> > FactoryVector;
   FactoryVector factories_;
 
@@ -123,6 +125,8 @@ class FilterFactoryImpl0 : public FilterFactory {
   }
 
  private:
+  ~FilterFactoryImpl0() {}
+
   DISALLOW_COPY_AND_ASSIGN(FilterFactoryImpl0);
 };
 
@@ -152,6 +156,8 @@ class FilterFactoryImpl1 : public FilterFactory {
   }
 
  private:
+   ~FilterFactoryImpl1() {}
+
   A const a_;
   DISALLOW_COPY_AND_ASSIGN(FilterFactoryImpl1);
 };
@@ -173,6 +179,8 @@ class FilterFactoryImpl2 : public FilterFactory {
   }
 
  private:
+  ~FilterFactoryImpl2() {}
+
   A const a_;
   B const b_;
 
@@ -214,6 +222,8 @@ class InstanceFilterFactory : public FilterFactory {
   }
 
  private:
+  ~InstanceFilterFactory() {}
+
   scoped_refptr<Filter> filter_;
   bool create_called_;