Menu hook plumbed through to RequestCoordinator.

chrome/browser/android/offline_pages/offline_page_bridge.cc

Index: chrome/browser/android/offline_pages/offline_page_bridge.cc
diff --git a/chrome/browser/android/offline_pages/offline_page_bridge.cc b/chrome/browser/android/offline_pages/offline_page_bridge.cc
index 830d91d2e2a1fac8303818a9c504ecb89f7ea034..a25d725cd966f4238c31b2d9621d6eb65c771267 100644
--- a/chrome/browser/android/offline_pages/offline_page_bridge.cc
+++ b/chrome/browser/android/offline_pages/offline_page_bridge.cc
@@ -12,8 +12,11 @@
 #include "chrome/browser/android/offline_pages/offline_page_mhtml_archiver.h"
 #include "chrome/browser/android/offline_pages/offline_page_model_factory.h"
 #include "chrome/browser/android/offline_pages/offline_page_utils.h"
+#include "chrome/browser/android/offline_pages/request_coordinator_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_android.h"
+#include "components/offline_pages/background/request_coordinator.h"
+#include "components/offline_pages/background/save_page_request.h"
 #include "components/offline_pages/offline_page_feature.h"
 #include "components/offline_pages/offline_page_item.h"
 #include "components/offline_pages/offline_page_model.h"
@@ -316,6 +319,26 @@ void OfflinePageBridge::SavePage(
       base::Bind(&SavePageCallback, j_callback_ref, url));
 }
 
+void OfflinePageBridge::SavePageLater(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj,
+    const JavaParamRef<jstring>& j_url,
+    const JavaParamRef<jstring>& j_client_id_namespace,
+    const JavaParamRef<jstring>& j_client_id) {
+  offline_pages::ClientId client_id;
+  client_id.name_space = ConvertJavaStringToUTF8(env, j_client_id_namespace);
+  client_id.id = ConvertJavaStringToUTF8(env, j_client_id);
+
+  // Get a background request coordinator.

[jianli, 2016/05/06 20:39:04]

nit: remove this comment and next comment since the codes here are simple enough
to understand without comments.

[Pete Williamson, 2016/05/06 21:30:28]

Done.

+  RequestCoordinator* coordinator =
+      offline_pages::RequestCoordinatorFactory::GetInstance()->
+          GetForBrowserContext(browser_context_);
+
+  // Make a request to the background offliner.
+  coordinator->SavePageLater(
+      GURL(ConvertJavaStringToUTF8(env, j_url)), client_id);
+}
+
 void OfflinePageBridge::DeletePages(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj,