Media Capabilities: update Blink implementation and WPT to match latest spec changes.

third_party/WebKit/LayoutTests/external/wpt/media-capabilities/idlharness.html

Index: third_party/WebKit/LayoutTests/external/wpt/media-capabilities/idlharness.html
diff --git a/third_party/WebKit/LayoutTests/external/wpt/media-capabilities/idlharness.html b/third_party/WebKit/LayoutTests/external/wpt/media-capabilities/idlharness.html
index 1fa20c6153d093cf7189605e7fb27e91075601cf..af0669bfd2a6e7325a6254a61b59ae49f3c9011c 100644
--- a/third_party/WebKit/LayoutTests/external/wpt/media-capabilities/idlharness.html
+++ b/third_party/WebKit/LayoutTests/external/wpt/media-capabilities/idlharness.html
@@ -32,11 +32,11 @@ dictionary MediaConfiguration {
 
 enum MediaConfigurationType {
   "file",
-  "MediaSource",
+  "media-source",
 };
 
 dictionary VideoConfiguration {
-  required DOMString type;
+  required DOMString contentType;
   required unsigned long width;
   required unsigned long height;
   required unsigned long bitrate;
@@ -44,7 +44,7 @@ dictionary VideoConfiguration {
 };
 
 dictionary AudioConfiguration {
-  required DOMString type;
+  required DOMString contentType;
   DOMString channels;
   unsigned long bitrate;
   unsigned long samplerate;
@@ -58,12 +58,12 @@ interface MediaDecodingAbility {
 
 [Exposed=(Window)]
 partial interface Navigator {
-  readonly attribute MediaCapabilities mediaCapabilities;
+  [SameObject] readonly attribute MediaCapabilities mediaCapabilities;
 };
 
 [Exposed=(Worker)]
 partial interface WorkerNavigator {
-  readonly attribute MediaCapabilities mediaCapabilities;
+  [SameObject] readonly attribute MediaCapabilities mediaCapabilities;
 };
 
 [Exposed=(Window, Worker)]