[Cronet] Don't claim support of UrlRequests with data URL scheme.

components/cronet/ios/Cronet.mm

Index: components/cronet/ios/Cronet.mm
diff --git a/components/cronet/ios/Cronet.mm b/components/cronet/ios/Cronet.mm
index d4217ab217f41b0c46e797cbacdac92a0c19dae3..b6aaeb13eab15f2d59f7f9b3bfd0db6a5aafc4f4 100644
--- a/components/cronet/ios/Cronet.mm
+++ b/components/cronet/ios/Cronet.mm
@@ -91,8 +91,7 @@ class CronetHttpProtocolHandlerDelegate
     NSString* scheme = [[request URL] scheme];
     if (!scheme)
       return false;
-    return [scheme caseInsensitiveCompare:@"data"] == NSOrderedSame ||
-           [scheme caseInsensitiveCompare:@"http"] == NSOrderedSame ||
+    return [scheme caseInsensitiveCompare:@"http"] == NSOrderedSame ||
            [scheme caseInsensitiveCompare:@"https"] == NSOrderedSame;
   }