Navigation transitions: Block first response until after transitions have run.

content/browser/android/content_view_core_impl.cc

Index: content/browser/android/content_view_core_impl.cc
diff --git a/content/browser/android/content_view_core_impl.cc b/content/browser/android/content_view_core_impl.cc
index 2ef62bec3df0142e13e38f818bb89893184867ed..622a064e66e8766c595ef7f7d28e60463743223f 100644
--- a/content/browser/android/content_view_core_impl.cc
+++ b/content/browser/android/content_view_core_impl.cc
@@ -1578,6 +1578,20 @@ void ContentViewCoreImpl::ExtractSmartClipData(JNIEnv* env,
       GetWebContents()->GetRoutingID(), rect));
 }
 
+void ContentViewCoreImpl::SetHasPendingTransitionRequest(
+    JNIEnv* env,
+    jobject obj,
+    jboolean has_pending_transition) {
+  static_cast<WebContentsImpl*>(GetWebContents())->
+      SetHasPendingTransitionRequest(has_pending_transition);
+}
+
+void ContentViewCoreImpl::ResumeResponseDeferredAtStart(JNIEnv* env,
+                                                        jobject obj) {
+  static_cast<WebContentsImpl*>(GetWebContents())->
+      ResumeResponseDeferredAtStart();
+}
+
 jint ContentViewCoreImpl::GetCurrentRenderProcessId(JNIEnv* env, jobject obj) {
   return GetRenderProcessIdFromRenderViewHost(
       web_contents_->GetRenderViewHost());