Revert 3 CLs for shouldOverrideUrlLoading implementation.

content/public/renderer/content_renderer_client.cc

Index: content/public/renderer/content_renderer_client.cc
diff --git a/content/public/renderer/content_renderer_client.cc b/content/public/renderer/content_renderer_client.cc
index 32004d1c37e7a459eb20cb8361c7e876e5e672e2..3d0316f068f21d1a057a6af21bc95887aa0e20e6 100644
--- a/content/public/renderer/content_renderer_client.cc
+++ b/content/public/renderer/content_renderer_client.cc
@@ -98,6 +98,20 @@ bool ContentRendererClient::AllowPopup() {
   return false;
 }
 
+#ifdef OS_ANDROID
+bool ContentRendererClient::HandleNavigation(
+    RenderFrame* render_frame,
+    bool is_content_initiated,
+    int opener_id,
+    blink::WebFrame* frame,
+    const blink::WebURLRequest& request,
+    blink::WebNavigationType type,
+    blink::WebNavigationPolicy default_policy,
+    bool is_redirect) {
+  return false;
+}
+#endif
+
 bool ContentRendererClient::ShouldFork(blink::WebLocalFrame* frame,
                                        const GURL& url,
                                        const std::string& http_method,