<video> use cache if --enable-byte-range-support is present

webkit/glue/webkit_glue.cc

Index: webkit/glue/webkit_glue.cc
diff --git a/webkit/glue/webkit_glue.cc b/webkit/glue/webkit_glue.cc
index 92e62a35d622b0086b135ca75dc09654e78160c9..2da9c6fcf29f1087759c8e5664651f2e1de18570 100644
--- a/webkit/glue/webkit_glue.cc
+++ b/webkit/glue/webkit_glue.cc
@@ -479,4 +479,14 @@ int GetGlyphPageCount() {
   return WebCore::GlyphPageTreeNode::treeGlyphPageCount();
 }
 
+bool g_enable_media_cache = false;
+
+bool IsMediaCacheEnabled() {
+  return g_enable_media_cache;
+}
+
+void SetMediaCacheEnabled() {
+  g_enable_media_cache = true;
+}
+
 } // namespace webkit_glue