fast-update flag only accelerates the first component update check.

BUG=630732

Review-Url: https://codereview.chromium.org/2179593003
Cr-Commit-Position: refs/heads/master@{#407664}

chrome/browser/component_updater/chrome_component_updater_configurator_unittest.cc

@@ -33,8 +33,8 @@ TEST(ChromeComponentUpdaterConfiguratorTest, TestFastUpdate) {
 
   const auto config(MakeChromeComponentUpdaterConfigurator(&cmdline, nullptr));
 
-  ASSERT_EQ(10, config->InitialDelay());
-  CHECK_EQ(60, config->NextCheckDelay());
+  CHECK_EQ(10, config->InitialDelay());
+  CHECK_EQ(6 * 60 * 60, config->NextCheckDelay());
   CHECK_EQ(1, config->StepDelay());
   CHECK_EQ(2, config->OnDemandDelay());
   CHECK_EQ(10, config->UpdateDelay());

components/component_updater/configurator_impl.cc

@@ -33,7 +33,7 @@ const int kDelayOneHour = kDelayOneMinute * 60;
 // Debug values you can pass to --component-updater=value1,value2. Do not
 // use these values in production code.
 
-// Speed up component checking.
+// Speed up the initial component checking.
 const char kSwitchFastUpdate[] = "fast-update";
 
 // Add "testrequest=1" attribute to the update check request.
@@ -126,7 +126,7 @@ int ConfiguratorImpl::InitialDelay() const {
 }
 
 int ConfiguratorImpl::NextCheckDelay() const {
-  return fast_update_ ? 60 : (6 * kDelayOneHour);
+  return 6 * kDelayOneHour;
 }
 
 int ConfiguratorImpl::StepDelay() const {

components/component_updater/configurator_impl_unittest.cc

-// Copyright 2016 The Chromium Authors. All rights reserved.
+// Copyright (c) 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.
 
@@ -44,7 +44,7 @@ TEST_F(ComponentUpdaterConfiguratorImplTest, FastUpdate) {
   cmdline.AppendSwitchASCII("--component-updater", "fast-update");
   config.reset(new ConfiguratorImpl(&cmdline, nullptr, false));
   CHECK_EQ(10, config->InitialDelay());
-  CHECK_EQ(kDelayOneMinute, config->NextCheckDelay());
+  CHECK_EQ(6 * kDelayOneHour, config->NextCheckDelay());
   CHECK_EQ(1, config->StepDelay());
   CHECK_EQ(2, config->OnDemandDelay());
   CHECK_EQ(10, config->UpdateDelay());