Adds request queue removal capability to OfflinePageBridge.

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 dc73d50579f2a56d79bec9af66b308c6b9e4da07..9840f3b9629704eec816a43e4431c48a9908fc34 100644
--- a/chrome/browser/android/offline_pages/offline_page_bridge.cc
+++ b/chrome/browser/android/offline_pages/offline_page_bridge.cc
@@ -172,6 +172,16 @@ void OnGetAllRequestsDone(const ScopedJavaGlobalRef<jobject>& j_callback_obj,
   base::android::RunCallbackAndroid(j_callback_obj, j_result_obj);
 }
 
+void OnRemoveRequestsDone(
+    const ScopedJavaGlobalRef<jobject>& j_callback_obj,
+    const std::vector<SavePageRequest>& removed_requests) {
+  JNIEnv* env = base::android::AttachCurrentThread();
+
+  ScopedJavaLocalRef<jobjectArray> j_result_obj =
+      CreateJavaSavePageRequests(env, removed_requests);
+  base::android::RunCallbackAndroid(j_callback_obj, j_result_obj);
+}
+
 }  // namespace
 
 static jboolean IsOfflinePagesEnabled(JNIEnv* env,
@@ -475,6 +485,31 @@ void OfflinePageBridge::GetRequestsInQueue(
       base::Bind(&OnGetAllRequestsDone, j_callback_ref));
 }
 
+void OfflinePageBridge::ClearRequestsFromQueue(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj,
+    const JavaParamRef<jlongArray>& j_request_ids_array,
+    const JavaParamRef<jobject>& j_callback_obj) {
+  std::vector<int64_t> request_ids;
+  base::android::JavaLongArrayToInt64Vector(env, j_request_ids_array,
+                                            &request_ids);
+  ScopedJavaGlobalRef<jobject> j_callback_ref(j_callback_obj);
+
+  RequestCoordinator* coordinator =
+      offline_pages::RequestCoordinatorFactory::GetInstance()
+          ->GetForBrowserContext(browser_context_);
+
+  if (!coordinator) {
+    // Callback with null to signal that results are unavailable.
+    const JavaParamRef<jobject> empty_result(nullptr);
+    base::android::RunCallbackAndroid(j_callback_obj, empty_result);
+    return;
+  }
+
+  coordinator->RemoveRequests(
+      request_ids, base::Bind(&OnRemoveRequestsDone, j_callback_ref));
+}
+
 void OfflinePageBridge::NotifyIfDoneLoading() const {
   if (!offline_page_model_->is_loaded())
     return;