[Offline Pages] Remove obsolete synchronous API methods.

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 acdb7b9edd8c90ddf064a68694ac9014432e19dd..ea267e940ef2d2f199d7ad121acf642ce529bd9a 100644
--- a/chrome/browser/android/offline_pages/offline_page_bridge.cc
+++ b/chrome/browser/android/offline_pages/offline_page_bridge.cc
@@ -179,14 +179,6 @@ void OfflinePageBridge::HasPages(JNIEnv* env,
       name_space, base::Bind(&HasPagesCallback, j_callback_ref));
 }
 
-bool OfflinePageBridge::MaybeHasPages(
-    JNIEnv* env,
-    const JavaParamRef<jobject>& obj,
-    const JavaParamRef<jstring>& j_namespace) {
-  std::string name_space = ConvertJavaStringToUTF8(env, j_namespace);
-  return offline_page_model_->MaybeHasPages(name_space);
-}
-
 void OfflinePageBridge::GetAllPages(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj,
@@ -205,17 +197,6 @@ void OfflinePageBridge::GetAllPages(
       base::Bind(&GetAllPagesCallback, j_result_ref, j_callback_ref));
 }
 
-void OfflinePageBridge::GetPagesToCleanUp(
-    JNIEnv* env,
-    const JavaParamRef<jobject>& obj,
-    const JavaParamRef<jobject>& j_result_obj) {
-  DCHECK(offline_page_model_->is_loaded());
-  DCHECK(j_result_obj);
-  const std::vector<OfflinePageItem> offline_pages =
-      offline_page_model_->GetPagesToCleanUp();
-  ToJavaOfflinePageList(env, j_result_obj, offline_pages);
-}
-
 ScopedJavaLocalRef<jlongArray> OfflinePageBridge::GetOfflineIdsForClientId(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj,