[Offline Page] Fix test failure on svelte devices.

components/offline_pages/background/request_coordinator_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 "components/offline_pages/background/request_coordinator.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 505 matching lines @@
           RequestCoordinator::RequestAvailability::ENABLED_FOR_OFFLINER) != 0);
 
   // Expect that a request got placed on the queue.
   coordinator()->queue()->GetRequests(
       base::Bind(&RequestCoordinatorTest::GetRequestsDone,
                  base::Unretained(this)));
 
   // Wait for callbacks to finish, both request queue and offliner.
   PumpLoop();
   // Will not be called since the offliner is disabled.
-  EXPECT_FALSE(immediate_schedule_callback_called());
+  // On low-end devices the callback will be called with false since the
+  // processing started but failed due to svelte devices.
+  if (base::SysInfo::IsLowEndDevice()) {
+    EXPECT_TRUE(immediate_schedule_callback_called());
+  } else {
+    EXPECT_FALSE(immediate_schedule_callback_called());
+  }
 
   // Check the request queue is as expected.
   EXPECT_EQ(1UL, last_requests().size());
   EXPECT_EQ(kUrl1, last_requests().at(0)->url());
   EXPECT_EQ(kClientId1, last_requests().at(0)->client_id());
 
   // Expect that the scheduler got notified.
   SchedulerStub* scheduler_stub = reinterpret_cast<SchedulerStub*>(
       coordinator()->scheduler());
   EXPECT_TRUE(scheduler_stub->schedule_called());
@@ skipping 817 matching lines @@
   // Now whether processing triggered immediately depends on whether test
   // is run on svelte device or not.
   if (base::SysInfo::IsLowEndDevice()) {
     EXPECT_FALSE(is_busy());
   } else {
     EXPECT_TRUE(is_busy());
   }
 }
 
 }  // namespace offline_pages