Change SourceBuffer.remove() end parameter to unrestricted double.

LayoutTests/http/tests/media/media-source/mediasource-remove.html

Index: LayoutTests/http/tests/media/media-source/mediasource-remove.html
diff --git a/LayoutTests/http/tests/media/media-source/mediasource-remove.html b/LayoutTests/http/tests/media/media-source/mediasource-remove.html
index 6b7ab6cae5e682ddb09e98b776b3d34701e57e14..f41d455a9f51e50a6e767727a1413f567bb3a424 100644
--- a/LayoutTests/http/tests/media/media-source/mediasource-remove.html
+++ b/LayoutTests/http/tests/media/media-source/mediasource-remove.html
@@ -19,7 +19,7 @@
               }, "remove");
 
               test.done();
-          }, "Test remove with an negative start.");
+          }, "Test remove with a negative start.");
 
           mediasource_test(function(test, mediaElement, mediaSource)
           {
@@ -69,6 +69,30 @@
           {
               var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);
 
+              assert_throws("InvalidAccessError", function()
+              {
+                  sourceBuffer.remove(0, Number.NEGATIVE_INFINITY);
+              }, "remove");
+
+              test.done();
+          }, "Test remove with a NEGATIVE_INFINITY end.");
+
+          mediasource_test(function(test, mediaElement, mediaSource)
+          {
+              var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);
+
+              assert_throws("InvalidAccessError", function()
+              {
+                  sourceBuffer.remove(0, Number.NaN);
+              }, "remove");
+
+              test.done();
+          }, "Test remove with a NaN end.");
+
+          mediasource_test(function(test, mediaElement, mediaSource)
+          {
+              var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);
+
               mediaSource.duration = 10;
 
               mediaSource.removeSourceBuffer(sourceBuffer);
@@ -223,9 +247,7 @@
 
           removeAppendedDataTests(function(test, sourceBuffer, bufferedRangeEnd, subType)
           {
-              // Using MAX_VALUE rather than POSITIVE_INFINITY here due to lack
-              // of 'unrestricted' on end parameter. (See comment in SourceBuffer.idl)
-              removeAndCheckBufferedRanges(test, sourceBuffer, 0, Number.MAX_VALUE, "{ }");
+              removeAndCheckBufferedRanges(test, sourceBuffer, 0, Number.POSITIVE_INFINITY, "{ }");
           }, "Test removing all appended data.");
 
           removeAppendedDataTests(function(test, sourceBuffer, bufferedRangeEnd, subType)