[Offline Pages] Make prerenderer notify us of network progress.

chrome/browser/android/offline_pages/prerendering_offliner_unittest.cc

Index: chrome/browser/android/offline_pages/prerendering_offliner_unittest.cc
diff --git a/chrome/browser/android/offline_pages/prerendering_offliner_unittest.cc b/chrome/browser/android/offline_pages/prerendering_offliner_unittest.cc
index b9a3f70ce48c1cfcdd025149306d2d4bb4e012d2..4177ff388c63502f524d7819debdb02d0147909c 100644
--- a/chrome/browser/android/offline_pages/prerendering_offliner_unittest.cc
+++ b/chrome/browser/android/offline_pages/prerendering_offliner_unittest.cc
@@ -42,9 +42,12 @@ class MockPrerenderingLoader : public PrerenderingLoader {
         mock_loaded_(false) {}
   ~MockPrerenderingLoader() override {}
 
-  bool LoadPage(const GURL& url, const LoadPageCallback& callback) override {
+  bool LoadPage(const GURL& url,
+                const LoadPageCallback& load_done_callback,
+                const ProgressCallback& progress_callback) override {
     mock_loading_ = can_prerender_;
-    load_page_callback_ = callback;
+    load_page_callback_ = load_done_callback;
+    progress_callback_ = progress_callback;
     return mock_loading_;
   }
 
@@ -95,6 +98,7 @@ class MockPrerenderingLoader : public PrerenderingLoader {
   bool mock_loading_;
   bool mock_loaded_;
   LoadPageCallback load_page_callback_;
+  ProgressCallback progress_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(MockPrerenderingLoader);
 };