Replace some hard coded schemes with the constants in /url/url_constants.h.

content/renderer/media/android/media_info_loader.cc

Index: content/renderer/media/android/media_info_loader.cc
diff --git a/content/renderer/media/android/media_info_loader.cc b/content/renderer/media/android/media_info_loader.cc
index 95fed0b63a9a7e5a9c7c331f19476436c8996a26..35b79807b3a5c589feaaa3033a86e3d554978f68 100644
--- a/content/renderer/media/android/media_info_loader.cc
+++ b/content/renderer/media/android/media_info_loader.cc
@@ -126,7 +126,7 @@ void MediaInfoLoader::didReceiveResponse(
                "Unknown")
            << " " << response.httpStatusCode();
   DCHECK(active_loader_.get());
-  if (!url_.SchemeIs("http") && !url_.SchemeIs("https")) {
+  if (!url_.SchemeIs(url::kHttpScheme) && !url_.SchemeIs(url::kHttpsScheme)) {
       DidBecomeReady(kOk);
       return;
   }