Drop test-only WebFrameClient params/functions

third_party/WebKit/LayoutTests/http/tests/misc/resources/image-slow-out-of-viewport.pl

Index: third_party/WebKit/LayoutTests/http/tests/misc/resources/image-slow-out-of-viewport.pl
diff --git a/third_party/WebKit/LayoutTests/http/tests/misc/resources/image-slow-out-of-viewport.pl b/third_party/WebKit/LayoutTests/http/tests/misc/resources/image-slow-out-of-viewport.pl
deleted file mode 100755
index f94b4d0583cc07973b2108062eae0a97ac2581a1..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/http/tests/misc/resources/image-slow-out-of-viewport.pl
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/usr/bin/perl -wT
-
-# flush the buffers after each print
-select (STDOUT);
-$| = 1;
-
-print "Content-Type: image/jpeg\r\n";
-print "Expires: Thu, 01 Dec 2003 16:00:00 GMT\r\n";
-print "Cache-Control: no-store, no-cache, must-revalidate\r\n";
-print "Pragma: no-cache\r\n";
-print "\r\n";
-
-sleep 2;
-
-open(FILE, "compass.jpg");
-while (<FILE>) {
-  print $_;
-}
-close(FILE);