media config: expand is_encrypted to a struct.

media/base/video_decoder_config.cc

Index: media/base/video_decoder_config.cc
diff --git a/media/base/video_decoder_config.cc b/media/base/video_decoder_config.cc
index dfe7254e9aff1919d7cd0c442eed5df11b20faac..8c81a6de63eef2d428677a5e3977635a5688632b 100644
--- a/media/base/video_decoder_config.cc
+++ b/media/base/video_decoder_config.cc
@@ -40,19 +40,20 @@ VideoDecoderConfig::VideoDecoderConfig()
     : codec_(kUnknownVideoCodec),
       profile_(VIDEO_CODEC_PROFILE_UNKNOWN),
       format_(PIXEL_FORMAT_UNKNOWN),
-      is_encrypted_(false) {}
+      encryption_scheme_(false) {}
 
-VideoDecoderConfig::VideoDecoderConfig(VideoCodec codec,
-                                       VideoCodecProfile profile,
-                                       VideoPixelFormat format,
-                                       ColorSpace color_space,
-                                       const gfx::Size& coded_size,
-                                       const gfx::Rect& visible_rect,
-                                       const gfx::Size& natural_size,
-                                       const std::vector<uint8_t>& extra_data,
-                                       bool is_encrypted) {
+VideoDecoderConfig::VideoDecoderConfig(
+    VideoCodec codec,
+    VideoCodecProfile profile,
+    VideoPixelFormat format,
+    ColorSpace color_space,
+    const gfx::Size& coded_size,
+    const gfx::Rect& visible_rect,
+    const gfx::Size& natural_size,
+    const std::vector<uint8_t>& extra_data,
+    const EncryptionScheme& encryption_scheme) {
   Initialize(codec, profile, format, color_space, coded_size, visible_rect,
-             natural_size, extra_data, is_encrypted);
+             natural_size, extra_data, encryption_scheme);
 }
 
 VideoDecoderConfig::~VideoDecoderConfig() {}
@@ -65,7 +66,7 @@ void VideoDecoderConfig::Initialize(VideoCodec codec,
                                     const gfx::Rect& visible_rect,
                                     const gfx::Size& natural_size,
                                     const std::vector<uint8_t>& extra_data,
-                                    bool is_encrypted) {
+                                    const EncryptionScheme& encryption_scheme) {
   codec_ = codec;
   profile_ = profile;
   format_ = format;
@@ -74,7 +75,7 @@ void VideoDecoderConfig::Initialize(VideoCodec codec,
   visible_rect_ = visible_rect;
   natural_size_ = natural_size;
   extra_data_ = extra_data;
-  is_encrypted_ = is_encrypted;
+  encryption_scheme_ = encryption_scheme;
 }
 
 bool VideoDecoderConfig::IsValidConfig() const {
@@ -86,14 +87,13 @@ bool VideoDecoderConfig::IsValidConfig() const {
 }
 
 bool VideoDecoderConfig::Matches(const VideoDecoderConfig& config) const {
-  return ((codec() == config.codec()) &&
-          (format() == config.format()) &&
+  return ((codec() == config.codec()) && (format() == config.format()) &&
           (profile() == config.profile()) &&
           (coded_size() == config.coded_size()) &&
           (visible_rect() == config.visible_rect()) &&
           (natural_size() == config.natural_size()) &&
           (extra_data() == config.extra_data()) &&
-          (is_encrypted() == config.is_encrypted()));
+          (encryption_scheme().Matches(config.encryption_scheme())));
 }
 
 std::string VideoDecoderConfig::AsHumanReadableString() const {
@@ -110,4 +110,8 @@ std::string VideoDecoderConfig::AsHumanReadableString() const {
   return s.str();
 }
 
+bool VideoDecoderConfig::is_encrypted() const {
+  return encryption_scheme_.is_encrypted();
+}
+
 }  // namespace media