Do not sanitize about:blank/#foo & about:blank?foo

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 7b5b70b4f2c14352e66aa7114a3fdb14be329f2f..d13856605a43453354e9ae62dc64e155be819bf2 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -5475,15 +5475,6 @@ WebNavigationPolicy RenderFrameImpl::decidePolicyForNavigation(
       info.urlRequest.checkForBrowserSideNavigation() &&
       ShouldMakeNetworkRequestForURL(url)) {
     if (info.defaultPolicy == blink::WebNavigationPolicyCurrentTab) {
-      if (RenderThreadImpl::current() &&
-          RenderThreadImpl::current()->layout_test_mode()) {
-        // Layout tests sometimes attempt to load urls of the form
-        // about:blank?foo which the browser doesn't expect and will convert to
-        // about:blank. Don't send these to the browser.
-        if (url.SchemeIs(url::kAboutScheme) && url.path() == "blank")
-          return info.defaultPolicy;
-      }
-
       BeginNavigation(info);
       return blink::WebNavigationPolicyHandledByClient;
     } else {