Implement a ResourceThrottle for URL overriding in Chrome on Android.

content/public/browser/web_contents_delegate.cc

Index: content/public/browser/web_contents_delegate.cc
diff --git a/content/public/browser/web_contents_delegate.cc b/content/public/browser/web_contents_delegate.cc
index 118540217d2f70dc9060c2818dafe3661fb1794f..d8749afcf5c717d8d53af436570c43dc6325365c 100644
--- a/content/public/browser/web_contents_delegate.cc
+++ b/content/public/browser/web_contents_delegate.cc
@@ -24,6 +24,14 @@ WebContents* WebContentsDelegate::OpenURLFromTab(WebContents* source,
   return NULL;
 }
 
+bool WebContentsDelegate::ShouldIgnoreNavigation(
+      WebContents* source,
+      const GURL& validated_url,
+      const content::Referrer& referrer,
+      bool is_content_initiated) {
+  return false;
+}
+
 bool WebContentsDelegate::IsPopupOrPanel(const WebContents* source) const {
   return false;
 }