Allow the max url length to be overridden

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 3c5437c71dfacdbcfb675ec40a91945a8b9a0fcf..31127f27e93b1d2df2a7cbf047dbd5a0be249830 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -77,6 +77,7 @@
 #include "content/public/common/page_zoom.h"
 #include "content/public/common/result_codes.h"
 #include "content/public/common/url_constants.h"
+#include "content/public/common/url_utils.h"
 #include "net/base/mime_util.h"
 #include "net/base/net_util.h"
 #include "net/http/http_cache.h"
@@ -1674,8 +1675,8 @@ bool WebContentsImpl::NavigateToEntry(
 
   // The renderer will reject IPC messages with URLs longer than
   // this limit, so don't attempt to navigate with a longer URL.
-  if (entry.GetURL().spec().size() > kMaxURLChars) {
-    LOG(WARNING) << "Refusing to load URL as it exceeds " << kMaxURLChars
+  if (entry.GetURL().spec().size() > GetMaxURLChars()) {
+    LOG(WARNING) << "Refusing to load URL as it exceeds " << GetMaxURLChars()
                  << " characters.";
     return false;
   }