Adds UMA for PrerenderingOffliner request processing result status.

chrome/browser/android/offline_pages/prerendering_loader_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/prerendering_loader.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/run_loop.h"
@@ skipping 205 matching lines @@
   EXPECT_FALSE(loader()->IsIdle());
   EXPECT_TRUE(loader()->IsLoaded());
   EXPECT_TRUE(callback_called());
   EXPECT_EQ(Offliner::RequestStatus::LOADED, callback_load_status());
 
   // Consider Prerenderer stops (eg, times out) before Loader is done with it.
   test_adapter()->GetObserver()->OnPrerenderStop();
   PumpLoop();
   EXPECT_TRUE(loader()->IsIdle());
   EXPECT_FALSE(loader()->IsLoaded());
-  EXPECT_EQ(Offliner::RequestStatus::CANCELED, callback_load_status());
+  EXPECT_EQ(Offliner::RequestStatus::PRERENDERING_CANCELED,
+            callback_load_status());
 }
 
 TEST_F(PrerenderingLoaderTest, LoadPageLoadFailedNoContent) {
   test_adapter()->Configure(
       nullptr /* web_contents */,
       prerender::FinalStatus::FINAL_STATUS_MEMORY_LIMIT_EXCEEDED);
   GURL gurl("http://testit.sea");
   EXPECT_TRUE(loader()->IsIdle());
   EXPECT_TRUE(loader()->LoadPage(
       gurl,
       base::Bind(&PrerenderingLoaderTest::OnLoadDone, base::Unretained(this))));
   EXPECT_FALSE(loader()->IsIdle());
   EXPECT_FALSE(loader()->IsLoaded());
 
   test_adapter()->GetObserver()->OnPrerenderDomContentLoaded();
   PumpLoop();
   EXPECT_TRUE(loader()->IsIdle());
   EXPECT_TRUE(callback_called());
   // We did not provide any WebContents for the callback so expect did not load.
-  EXPECT_EQ(Offliner::RequestStatus::FAILED, callback_load_status());
+  EXPECT_EQ(Offliner::RequestStatus::PRERENDERING_FAILED,
+            callback_load_status());
 
   // Stopped event causes no harm.
   test_adapter()->GetObserver()->OnPrerenderStop();
   PumpLoop();
 }
 
 TEST_F(PrerenderingLoaderTest, LoadPageLoadCanceledFromStopLoading) {
   GURL gurl("http://testit.sea");
   EXPECT_TRUE(loader()->IsIdle());
   EXPECT_TRUE(loader()->LoadPage(
       gurl,
       base::Bind(&PrerenderingLoaderTest::OnLoadDone, base::Unretained(this))));
   EXPECT_FALSE(loader()->IsIdle());
   EXPECT_FALSE(loader()->IsLoaded());
 
   loader()->StopLoading();
   PumpLoop();
   EXPECT_TRUE(loader()->IsIdle());
   EXPECT_TRUE(callback_called());
-  EXPECT_EQ(Offliner::RequestStatus::CANCELED, callback_load_status());
+  EXPECT_EQ(Offliner::RequestStatus::PRERENDERING_CANCELED,
+            callback_load_status());
 }
 
 TEST_F(PrerenderingLoaderTest, LoadPageNotAcceptedWhenNotIdle) {
   GURL gurl("http://testit.sea");
   EXPECT_TRUE(loader()->IsIdle());
   EXPECT_TRUE(loader()->LoadPage(
       gurl,
       base::Bind(&PrerenderingLoaderTest::OnLoadDone, base::Unretained(this))));
   EXPECT_FALSE(loader()->IsIdle());
   EXPECT_FALSE(loader()->IsLoaded());
 
   // Now try another load while first is still active.
   EXPECT_FALSE(loader()->LoadPage(
       gurl,
       base::Bind(&PrerenderingLoaderTest::OnLoadDone, base::Unretained(this))));
   EXPECT_FALSE(loader()->IsIdle());
 }
 
 TEST_F(PrerenderingLoaderTest, LoadPageNotAcceptedWhenPrerenderingDisabled) {
   test_adapter()->Disable();
   GURL gurl("http://testit.sea");
   EXPECT_TRUE(loader()->IsIdle());
   EXPECT_FALSE(loader()->LoadPage(
       gurl,
       base::Bind(&PrerenderingLoaderTest::OnLoadDone, base::Unretained(this))));
   EXPECT_TRUE(loader()->IsIdle());
 }
 
 }  // namespace offline_pages