Allow the max url length to be overridden

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 59 matching lines @@
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_view.h"
 #include "content/public/common/bindings_policy.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/common/content_switches.h"
 #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"
 #include "net/http/http_transaction_factory.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "ui/base/layout.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/screen.h"
 #include "ui/gl/gl_switches.h"
@@ skipping 1577 matching lines @@
                     DidDetachInterstitialPage());
 }
 
 bool WebContentsImpl::NavigateToEntry(
     const NavigationEntryImpl& entry,
     NavigationController::ReloadType reload_type) {
   TRACE_EVENT0("browser", "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() > MaxURLChars()) {
+    LOG(WARNING) << "Refusing to load URL as it exceeds " << MaxURLChars()
                  << " characters.";
     return false;
   }
 
   // TODO(creis): Use entry->frame_tree_node_id() to pick which
   // RenderFrameHostManager to use.
   RenderViewHostImpl* dest_render_view_host =
       static_cast<RenderViewHostImpl*>(GetRenderManager()->Navigate(entry));
   if (!dest_render_view_host)
     return false;  // Unable to create the desired render view host.
@@ skipping 2086 matching lines @@
 }
 
 void WebContentsImpl::OnFrameRemoved(
     RenderViewHostImpl* render_view_host,
     int64 frame_id) {
    FOR_EACH_OBSERVER(WebContentsObserver, observers_,
                      FrameDetached(render_view_host, frame_id));
 }
 
 }  // namespace content