Reland Integrate invalidation API into ChromeToMobileService.

A continuation of http://codereview.chromium.org/10834203

r152609 reverted original r152609 for debug test crashes:
http://build.chromium.org/p/chromium/builders/Mac%2010.7%20Tests%20%28dbg%29%284%29/builds/100/steps/browser_tests/logs/stdio

Move dtor logic to a ProfileKeyedService::Shutdown OVERRIDE.
This fixes the problem locally (we have no debug trybots?).

Remaining description matches that of the original CL:
======================================================

Update chrome/browser/DEPS with new dependencies:
(google/cacheinvalidation and sync/notifier)

Observe Sync Notifier invalidation notifications:
(depend on this service for mobile list updates)
(refresh the device list on cloud print invalidation)

Remove RequestMobileListUpdate, timestamp, & account info:
(no longer needed with invalidation integration)
(just set command state and icon visibility w/HasMobiles)

Lazily init the access token, queue search/send operations:
(only get an access token as needed, add |task_queue_|)

Allow concurrent cloud print device search requests:
(handle user-triggered updates while fetching the list)

Misc cleanup (CloudPrintUrl handling, tests, etc.)

TODO(followup): Additional logging, tests, invalidation ack.

BUG=102709, 137086
TEST=Chrome To Mobile devices update with cloud print!

Review URL: https://chromiumcodereview.appspot.com/10869002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@152735 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 13 insertions, 6 deletions

diff --git a/chrome/browser/chrome_to_mobile_service_unittest.cc b/chrome/browser/chrome_to_mobile_service_unittest.cc
index d1e6d41..8cff191 100644
--- a/chrome/browser/chrome_to_mobile_service_unittest.cc
+++ b/chrome/browser/chrome_to_mobile_service_unittest.cc
@@ -17,7 +17,6 @@ const char kDummyString[] = "dummy";
 
 class DummyNotificationSource {};
 
-// A mock ChromeToMobileService with a mocked out RequestAccessToken method.
 class MockChromeToMobileService : public ChromeToMobileService {
  public:
   MockChromeToMobileService();
@@ -50,29 +49,37 @@ ChromeToMobileServiceTest::ChromeToMobileServiceTest() {}
 
 ChromeToMobileServiceTest::~ChromeToMobileServiceTest() {}
 
-// Ensure that RequestAccessToken is not called for irrelevant notifications.
+// Ensure that irrelevant notifications do not invalidate the access token.
 TEST_F(ChromeToMobileServiceTest, IgnoreIrrelevantNotifications) {
   EXPECT_CALL(service_, RequestAccessToken()).Times(0);
 
-  // Send dummy service/token details (should not refresh token).
+  service_.SetAccessTokenForTest(kDummyString);
+  ASSERT_FALSE(service_.GetAccessTokenForTest().empty());
+
+  // Send dummy service/token details (should not request token).
   DummyNotificationSource dummy_source;
   TokenService::TokenAvailableDetails dummy_details(kDummyString, kDummyString);
   service_.Observe(chrome::NOTIFICATION_TOKEN_AVAILABLE,
       content::Source<DummyNotificationSource>(&dummy_source),
       content::Details<TokenService::TokenAvailableDetails>(&dummy_details));
+  EXPECT_FALSE(service_.GetAccessTokenForTest().empty());
 }
 
-// Ensure that RequestAccessToken is called on the proper notification.
+// Ensure that proper notifications invalidate the access token.
 TEST_F(ChromeToMobileServiceTest, AuthenticateOnTokenAvailable) {
-  EXPECT_CALL(service_, RequestAccessToken()).Times(1);
+  EXPECT_CALL(service_, RequestAccessToken()).Times(0);
+
+  service_.SetAccessTokenForTest(kDummyString);
+  ASSERT_FALSE(service_.GetAccessTokenForTest().empty());
 
-  // Send a Gaia OAuth2 Login service dummy token (should refresh token).
+  // Send a Gaia OAuth2 Login service dummy token (should request token).
   DummyNotificationSource dummy_source;
   TokenService::TokenAvailableDetails login_details(
       GaiaConstants::kGaiaOAuth2LoginRefreshToken, kDummyString);
   service_.Observe(chrome::NOTIFICATION_TOKEN_AVAILABLE,
       content::Source<DummyNotificationSource>(&dummy_source),
       content::Details<TokenService::TokenAvailableDetails>(&login_details));
+  EXPECT_TRUE(service_.GetAccessTokenForTest().empty());
 }
 
 }  // namespace