Bug 1329568 - Media...Type::SizeOf... methods - r=jya,njn

When replacing strings with MediaContentType objects, some classes will want to
know about their size.

MozReview-Commit-ID: LNdaaUdJac3

--HG--
extra : rebase_source : 334bdca4a9b7a5db455bb731c495fa7a96b5b03c

dom/media/MediaContentType.cpp

@@ -10,6 +10,12 @@
 
 namespace mozilla {
 
+size_t
+MediaContentType::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const
+{
+  return mExtendedMIMEType.SizeOfExcludingThis(aMallocSizeOf);
+}
+
 Maybe<MediaContentType>
 MakeMediaContentType(const nsAString& aType)
 {

dom/media/MediaContentType.h

@@ -35,6 +35,8 @@ public:
   const MediaMIMEType& Type() const { return mExtendedMIMEType.Type(); }
   const MediaExtendedMIMEType& ExtendedType() const { return mExtendedMIMEType; }
 
+  size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
 private:
   MediaExtendedMIMEType mExtendedMIMEType;
 };

dom/media/MediaMIMETypes.cpp

@@ -38,6 +38,12 @@ MediaMIMEType::HasVideoMajorType() const
   return StartsWith(mMIMEType, "video/");
 }
 
+size_t
+MediaMIMEType::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const
+{
+  return mMIMEType.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
+}
+
 MediaMIMEType::MediaMIMEType(const nsACString& aType)
   : mMIMEType(aType)
 {
@@ -101,6 +107,13 @@ MediaCodecs::ContainsAll(const MediaCodecs& aCodecs) const
   return true;
 }
 
+size_t
+MediaCodecs::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const
+{
+  return mCodecs.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
+}
+
+
 static int32_t
 GetParameterAsNumber(const nsContentTypeParser& aParser,
                      const char* aParameter,
@@ -175,6 +188,13 @@ MakeMediaExtendedMIMEType(const nsAString& aType)
                                     framerate, bitrate));
 }
 
+size_t
+MediaExtendedMIMEType::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const
+{
+  return mMIMEType.SizeOfExcludingThis(aMallocSizeOf)
+         + mCodecs.SizeOfExcludingThis(aMallocSizeOf);
+}
+
 Maybe<MediaExtendedMIMEType>
 MakeMediaExtendedMIMEType(const nsACString& aType)
 {

dom/media/MediaMIMETypes.h

@@ -87,6 +87,8 @@ public:
   // (e.g., "video/webm" could contain a vorbis audio track.)
   bool HasVideoMajorType() const;
 
+  size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
 private:
   friend Maybe<MediaMIMEType> MakeMediaMIMEType(const nsAString& aType);
   friend class MediaExtendedMIMEType;
@@ -133,6 +135,8 @@ public:
   bool Contains(const nsAString& aCodec) const;
   bool ContainsAll(const MediaCodecs& aCodecs) const;
 
+  size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
 private:
   // UTF16 comma-separated list of codecs.
   // See http://www.rfc-editor.org/rfc/rfc4281.txt for the description
@@ -163,6 +167,8 @@ public:
   Maybe<int32_t> GetFramerate() const { return GetMaybeNumber(mFramerate); }
   Maybe<int32_t> GetBitrate() const { return GetMaybeNumber(mBitrate); }
 
+  size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
 private:
   friend Maybe<MediaExtendedMIMEType> MakeMediaExtendedMIMEType(const nsAString& aType);
   MediaExtendedMIMEType(const nsACString& aMIMEType,