Move about://-related constants from //content to //url

android_webview/renderer/aw_content_renderer_client.cc

Index: android_webview/renderer/aw_content_renderer_client.cc
diff --git a/android_webview/renderer/aw_content_renderer_client.cc b/android_webview/renderer/aw_content_renderer_client.cc
index b597e7818022b6d91dd34ae0c73c9dd3ccef9bed..4e90a04f50ccc97407a48330aa4b34e1aa929f63 100644
--- a/android_webview/renderer/aw_content_renderer_client.cc
+++ b/android_webview/renderer/aw_content_renderer_client.cc
@@ -96,9 +96,9 @@ bool AwContentRendererClient::HandleNavigation(
   // For HTTP schemes, only top-level navigations can be overridden. Similarly,
   // WebView Classic lets app override only top level about:blank navigations.
   // So we filter out non-top about:blank navigations here.
-  if (frame->parent() && (gurl.SchemeIs(url::kHttpScheme) ||
-                          gurl.SchemeIs(url::kHttpsScheme) ||
-                          gurl.SchemeIs(content::kAboutScheme)))
+  if (frame->parent() &&
+      (gurl.SchemeIs(url::kHttpScheme) || gurl.SchemeIs(url::kHttpsScheme) ||
+       gurl.SchemeIs(url::kAboutScheme)))
     return false;
 
   // use NavigationInterception throttle to handle the call as that can