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

chrome/browser/android/offline_pages/prerender_adapter_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/android/offline_pages/prerender_adapter.h"
 
 #include "base/sys_info.h"
 #include "chrome/browser/prerender/prerender_manager_factory.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 95 matching lines @@
 class PrerenderAdapterTest : public testing::Test,
                              public PrerenderAdapter::Observer {
  public:
   PrerenderAdapterTest();
   ~PrerenderAdapterTest() override;
 
   // PrerenderAdapter::Observer implementation:
   void OnPrerenderStopLoading() override;
   void OnPrerenderDomContentLoaded() override;
   void OnPrerenderStop() override;
+  void OnNetworkBytesChanged(int64_t bytes) override;
 
   void SetUp() override;
 
   // Returns the PrerenderLoader to test.
   PrerenderAdapter* adapter() const { return adapter_.get(); }
   StubPrerenderContentsFactory* prerender_contents_factory() {
     return prerender_contents_factory_;
   }
   Profile* profile() { return &profile_; }
   PrerenderManager* prerender_manager() { return prerender_manager_; }
@@ skipping 35 matching lines @@
 }
 
 void PrerenderAdapterTest::OnPrerenderDomContentLoaded() {
   observer_dom_content_loaded_called_ = true;
 }
 
 void PrerenderAdapterTest::OnPrerenderStop() {
   observer_stop_called_ = true;
 }
 
+void PrerenderAdapterTest::OnNetworkBytesChanged(int64_t bytes) {}

[Pete Williamson, 2017/02/15 01:17:45]

Might be good to add an actual test before we send it out for wider review.

+
 void PrerenderAdapterTest::SetUp() {
   if (base::SysInfo::IsLowEndDevice())
     return;
   adapter_.reset(new PrerenderAdapter(this));
   prerender_contents_factory_ = new StubPrerenderContentsFactory();
   prerender_manager_ = PrerenderManagerFactory::GetForBrowserContext(profile());
   if (prerender_manager_) {
     prerender_manager_->SetPrerenderContentsFactoryForTest(
         prerender_contents_factory_);
     prerender_manager_->SetMode(PrerenderManager::PRERENDER_MODE_ENABLED);
@@ skipping 56 matching lines @@
   EXPECT_EQ(FinalStatus::FINAL_STATUS_CANCELLED, adapter()->GetFinalStatus());
 
   // Exercise access methods even though no interesting values set beneath.
   EXPECT_EQ(nullptr, adapter()->GetWebContents());
 
   adapter()->DestroyActive();
   EXPECT_FALSE(adapter()->IsActive());
 }
 
 }  // namespace offline_pages