Remove unused Interests code.

chrome/browser/interests/interests_fetcher_unittest.cc

Index: chrome/browser/interests/interests_fetcher_unittest.cc
diff --git a/chrome/browser/interests/interests_fetcher_unittest.cc b/chrome/browser/interests/interests_fetcher_unittest.cc
deleted file mode 100644
index f015810e3fb03e78e6c65b27e93e658ca88d22a3..0000000000000000000000000000000000000000
--- a/chrome/browser/interests/interests_fetcher_unittest.cc
+++ /dev/null
@@ -1,206 +0,0 @@
-// Copyright 2015 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/interests/interests_fetcher.h"
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/command_line.h"
-#include "base/memory/ref_counted.h"
-#include "base/message_loop/message_loop.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "chrome/common/chrome_switches.h"
-#include "components/signin/core/browser/fake_profile_oauth2_token_service.h"
-#include "net/base/net_errors.h"
-#include "net/http/http_status_code.h"
-#include "net/url_request/test_url_fetcher_factory.h"
-#include "net/url_request/url_request_status.h"
-#include "net/url_request/url_request_test_util.h"
-#include "testing/gmock/include/gmock/gmock-generated-function-mockers.h"
-#include "testing/gmock/include/gmock/gmock-matchers.h"
-#include "testing/gmock/include/gmock/gmock-more-matchers.h"
-#include "testing/gmock/include/gmock/gmock-spec-builders.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using testing::IsEmpty;
-using testing::Not;
-
-namespace {
-
-const int kInterestsFetcherURLFetcherID = 0;
-const char kInterestsURL[] = "http://www.fake.com";
-const char kEmptyResponse[] =
-    "{\n"
-    "  \"interests\": []\n"
-    "}\n";
-const char kSuccessfulResponse[] =
-    "{\n"
-    "  \"interests\": [\n"
-    "    {\n"
-    "      \"name\": \"Google\",\n"
-    "      \"imageUrl\": \"https://fake.com/fake.png\",\n"
-    "      \"relevance\": 0.9\n"
-    "    },\n"
-    "    {\n"
-    "      \"name\": \"Google Chrome\",\n"
-    "      \"imageUrl\": \"https://fake.com/fake.png\",\n"
-    "      \"relevance\": 0.98\n"
-    "    }\n"
-    "  ]\n"
-    "}\n";
-const char kAccountId[] = "account@gmail.com";
-
-std::vector<InterestsFetcher::Interest> GetExpectedEmptyResponse() {
-  return std::vector<InterestsFetcher::Interest>();
-}
-
-std::vector<InterestsFetcher::Interest> GetExpectedSuccessfulResponse() {
-  std::vector<InterestsFetcher::Interest> res;
-  res.push_back(InterestsFetcher::Interest{
-      "Google", GURL("https://fake.com/fake.png"), 0.9});
-  res.push_back(InterestsFetcher::Interest{
-      "Google Chrome", GURL("https://fake.com/fake.png"), 0.98});
-  return res;
-}
-}  // namespace
-
-class InterestsFetcherTest : public testing::Test {
- public:
-  InterestsFetcherTest()
-      : request_context_(new net::TestURLRequestContextGetter(
-            base::ThreadTaskRunnerHandle::Get())),
-        url_fetcher_factory_(new net::TestURLFetcherFactory()) {
-    token_service_.UpdateCredentials(kAccountId, "refresh_token");
-
-    base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
-
-    command_line->AppendSwitchASCII(switches::kInterestsURL, kInterestsURL);
-  }
-
-  MOCK_METHOD0(OnSuccessfulResponse, void());
-  MOCK_METHOD0(OnEmptyResponse, void());
-  MOCK_METHOD0(OnFailedResponse, void());
-
-  void OnReceivedInterests(
-      std::unique_ptr<std::vector<InterestsFetcher::Interest>> interests) {
-    if (!interests) {
-      OnFailedResponse();
-      return;
-    }
-
-    if (*interests == GetExpectedEmptyResponse())
-      OnEmptyResponse();
-    else if (*interests == GetExpectedSuccessfulResponse())
-      OnSuccessfulResponse();
-    else
-      FAIL() << "Unexpected interests response.";
-  }
-
- protected:
-  void RequestInterests() {
-    request_.reset(new InterestsFetcher(&token_service_,
-                                        kAccountId,
-                                        request_context_.get()));
-
-    request_->FetchInterests(base::Bind(
-        &InterestsFetcherTest::OnReceivedInterests, base::Unretained(this)));
-  }
-
-  net::TestURLFetcher* GetURLFetcher() {
-    net::TestURLFetcher* url_fetcher =
-        url_fetcher_factory_->GetFetcherByID(kInterestsFetcherURLFetcherID);
-    EXPECT_TRUE(url_fetcher);
-    return url_fetcher;
-  }
-
-  void IssueAccessTokenErrors() {
-    token_service_.IssueErrorForAllPendingRequestsForAccount(
-        kAccountId, GoogleServiceAuthError::FromServiceError("Error!"));
-  }
-
-  void IssueAccessTokens() {
-    token_service_.IssueAllTokensForAccount(
-        kAccountId, "access_token",
-        base::Time::Now() + base::TimeDelta::FromHours(1));
-  }
-
-  void SendResponse(net::Error error,
-                    int response_code,
-                    const std::string& response) {
-    net::TestURLFetcher* url_fetcher = GetURLFetcher();
-    url_fetcher->set_status(net::URLRequestStatus::FromError(error));
-    url_fetcher->set_response_code(response_code);
-    url_fetcher->SetResponseString(response);
-    url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
-  }
-
-  void SendValidResponse(const std::string& response) {
-    SendResponse(net::OK, net::HTTP_OK, response);
-  }
-
-  void SendFailedResponse() {
-    SendResponse(net::ERR_ABORTED, 0, std::string());
-  }
-
-  void SendAuthorizationError() {
-    SendResponse(net::OK, net::HTTP_UNAUTHORIZED, std::string());
-  }
-
-  base::MessageLoop message_loop_;
-  FakeProfileOAuth2TokenService token_service_;
-  scoped_refptr<net::TestURLRequestContextGetter> request_context_;
-  std::unique_ptr<net::TestURLFetcherFactory> url_fetcher_factory_;
-  std::unique_ptr<InterestsFetcher> request_;
-};
-
-TEST_F(InterestsFetcherTest, EmptyResponse) {
-  RequestInterests();
-  EXPECT_CALL(*this, OnEmptyResponse());
-  IssueAccessTokens();
-  SendValidResponse(kEmptyResponse);
-}
-
-TEST_F(InterestsFetcherTest, SuccessfullResponse) {
-  RequestInterests();
-  EXPECT_CALL(*this, OnSuccessfulResponse());
-  IssueAccessTokens();
-  SendValidResponse(kSuccessfulResponse);
-}
-
-TEST_F(InterestsFetcherTest, FailedResponse) {
-  RequestInterests();
-  EXPECT_CALL(*this, OnFailedResponse());
-  IssueAccessTokens();
-  SendFailedResponse();
-}
-
-TEST_F(InterestsFetcherTest, FailedOAuthRequest) {
-  RequestInterests();
-  EXPECT_CALL(*this, OnFailedResponse());
-  IssueAccessTokenErrors();
-}
-
-TEST_F(InterestsFetcherTest, RetryOnAuthorizationError) {
-  RequestInterests();
-
-  EXPECT_CALL(*this, OnEmptyResponse()).Times(0);
-  IssueAccessTokens();
-  SendAuthorizationError();
-
-  EXPECT_CALL(*this, OnEmptyResponse());
-  IssueAccessTokens();
-  SendValidResponse(kEmptyResponse);
-}
-
-TEST_F(InterestsFetcherTest, RetryOnlyOnceOnAuthorizationError) {
-  RequestInterests();
-
-  EXPECT_CALL(*this, OnEmptyResponse()).Times(0);
-  IssueAccessTokens();
-  SendAuthorizationError();
-
-  EXPECT_CALL(*this, OnFailedResponse());
-  IssueAccessTokens();
-  SendAuthorizationError();
-}