Remove "legacy" experimental stream support

third_party/WebKit/LayoutTests/http/tests/media/media-source/mediasource-util.js

 (function(window) {
     // Set the testharness.js timeout to 120 seconds so that it is higher than
     // the LayoutTest timeout. This prevents testharness.js from prematurely
     // terminating tests and allows the LayoutTest runner to control when to
     // timeout the test.
     setup({ explicit_timeout: 120000 });
 
     var SEGMENT_INFO_LIST = [
         {
             url: '/media/resources/media-source/webm/test.webm',
@@ skipping 163 matching lines @@
     MediaSourceUtil.loadTextData = function(test, url, callback)
     {
         loadData_(test, url, callback);
     };
 
     MediaSourceUtil.loadBinaryData = function(test, url, callback)
     {
         loadData_(test, url, callback, 'arraybuffer');
     };
 
-    MediaSourceUtil.loadDataStream = function(test, url, callback)
-    {
-        loadData_(test, url, callback, 'legacystream');
-    };
-
     MediaSourceUtil.fetchManifestAndData = function(test, manifestFilename, callback)
     {
         var baseURL = '/media/resources/media-source/';
         var manifestURL = baseURL + manifestFilename;
         MediaSourceUtil.loadTextData(test, manifestURL, function(manifestText)
         {
             var manifest = JSON.parse(manifestText);
 
             assert_true(MediaSource.isTypeSupported(manifest.type), manifest.type + " is supported.");
 
@@ skipping 56 matching lines @@
                 function () { // doAppendDataFunc
                     appendedDataSize += mediaData.length;
                     sourceBuffer.appendBuffer(mediaData);
                 },
                 function () { // onCaughtQuotaExceeded
                     onBufferFull(appendedDataSize);
                 });
         });
     };
 
-    MediaSourceUtil.fillUpSourceBufferViaAppendStream = function (test, mediaSource, sourceBuffer, mediaURL, onBufferFull, appendSize)
-    {
-        var appendedDataSize = 0;
-        function appendStreamData() {
-            MediaSourceUtil.loadDataStream(test, mediaURL, function(response)
-            {
-                // We are appending data repeatedly in sequence mode, there should be no gaps.
-                assert_false(sourceBuffer.buffered.length > 1, "unexpected gap in buffered ranges.");
-                try {
-                    if (appendSize !== undefined) {
-                      appendedDataSize += appendSize;
-                      sourceBuffer.appendStream(response, appendSize);
-                    } else {
-                      sourceBuffer.appendStream(response);
-                    }
-                } catch(ex) {
-                    assert_equals(ex.name, 'QuotaExceededError');
-                    onBufferFull(appendedDataSize);
-                }
-                test.expectEvent(sourceBuffer, "updateend", "Append ended.");
-                test.waitForExpectedEvents(appendStreamData);
-            });
-        }
-        // Start appending data
-        appendStreamData();
-    };
-
-
     function getFirstSupportedType(typeList)
     {
         for (var i = 0; i < typeList.length; ++i) {
             if (MediaSource.isTypeSupported(typeList[i]))
                 return typeList[i];
         }
         return "";
     }
 
     function getSegmentInfo()
@@ skipping 165 matching lines @@
         assert_equals(actual, expected, description);
     };
 
     window['assertSeekableEquals'] = function(obj, expected, description)
     {
         var actual = timeRangesToString(obj.seekable);
         assert_equals(actual, expected, description);
     };
 
 })(window);