[android_webview] Fake onReceivedError callback for intercepted navigations.

android_webview/native/aw_contents_io_thread_client_impl.cc

Index: android_webview/native/aw_contents_io_thread_client_impl.cc
diff --git a/android_webview/native/aw_contents_io_thread_client_impl.cc b/android_webview/native/aw_contents_io_thread_client_impl.cc
index 0251cefb7497a6ee4d30b306fc4917a18e4892f7..de8f1b1a9da3cab0732bb4de17a673effd6a261a 100644
--- a/android_webview/native/aw_contents_io_thread_client_impl.cc
+++ b/android_webview/native/aw_contents_io_thread_client_impl.cc
@@ -17,6 +17,7 @@
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
+#include "content/public/browser/resource_request_info.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "googleurl/src/gurl.h"
@@ -195,13 +196,16 @@ AwContentsIoThreadClientImpl::ShouldInterceptRequest(
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   if (java_object_.is_null())
     return scoped_ptr<InterceptedRequestData>();
+  const content::ResourceRequestInfo* info =
+      content::ResourceRequestInfo::ForRequest(request);
+  bool is_main_frame = info && info->IsMainFrame();
 
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jstring> jstring_url =
       ConvertUTF8ToJavaString(env, location.spec());
   ScopedJavaLocalRef<jobject> ret =
       Java_AwContentsIoThreadClient_shouldInterceptRequest(
-          env, java_object_.obj(), jstring_url.obj());
+          env, java_object_.obj(), jstring_url.obj(), is_main_frame);
   if (ret.is_null())
     return scoped_ptr<InterceptedRequestData>();
   return scoped_ptr<InterceptedRequestData>(