Revert of Encapsulate CSS selector declarative content condition tracking

chrome/browser/extensions/api/declarative_content/declarative_content_css_condition_tracker_unittest.cc

Index: chrome/browser/extensions/api/declarative_content/declarative_content_css_condition_tracker_unittest.cc
diff --git a/chrome/browser/extensions/api/declarative_content/declarative_content_css_condition_tracker_unittest.cc b/chrome/browser/extensions/api/declarative_content/declarative_content_css_condition_tracker_unittest.cc
deleted file mode 100644
index a9b15a36f820e43b9601d819c7a1ad50cdffe848..0000000000000000000000000000000000000000
--- a/chrome/browser/extensions/api/declarative_content/declarative_content_css_condition_tracker_unittest.cc
+++ /dev/null
@@ -1,199 +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/extensions/api/declarative_content/declarative_content_css_condition_tracker.h"
-
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/scoped_vector.h"
-#include "base/run_loop.h"
-#include "chrome/test/base/testing_profile.h"
-#include "content/public/browser/navigation_details.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/test/browser_test_utils.h"
-#include "content/public/test/mock_render_process_host.h"
-#include "content/public/test/test_browser_thread_bundle.h"
-#include "content/public/test/test_renderer_host.h"
-#include "content/public/test/web_contents_tester.h"
-#include "extensions/common/extension_messages.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace extensions {
-
-using testing::UnorderedElementsAreArray;
-
-class DeclarativeContentCssConditionTrackerTest : public testing::Test {
- public:
-  DeclarativeContentCssConditionTrackerTest()
-      : profile_(new TestingProfile),
-        delegate_(web_contents_) {
-  }
-
-  ~DeclarativeContentCssConditionTrackerTest() override {
-    web_contents_.clear();
-    // MockRenderProcessHosts are deleted from the message loop, and their
-    // deletion must complete before RenderViewHostTestEnabler's destructor is
-    // run.
-    base::RunLoop().RunUntilIdle();
-  }
-
- protected:
-  class Delegate : public DeclarativeContentCssConditionTrackerDelegate {
-   public:
-    Delegate(const ScopedVector<content::WebContents>& web_contents)
-        : web_contents_(web_contents),
-          evaluation_requests_(0) {
-    }
-
-    int evaluation_requests() { return evaluation_requests_; }
-
-    // DeclarativeContentCssConditionTrackerDelegate:
-    void RequestEvaluation(content::WebContents* contents) override {
-      ++evaluation_requests_;
-    }
-
-    bool ShouldManageConditionsForBrowserContext(
-        content::BrowserContext* context) override {
-      return true;
-    }
-
-   private:
-    // Reference to the test's WebContents vector.
-    const ScopedVector<content::WebContents>& web_contents_;
-    int evaluation_requests_;
-
-    DISALLOW_COPY_AND_ASSIGN(Delegate);
-  };
-
-  // Creates a new DeclarativeContentCssConditionTracker and retains ownership.
-  DeclarativeContentCssConditionTracker* MakeTracker() {
-    trackers_.push_back(
-        new DeclarativeContentCssConditionTracker(profile(), delegate()));
-    return trackers_.back();
-  }
-
-  // Creates a new WebContents and retains ownership.
-  content::WebContents* MakeTab() {
-    web_contents_.push_back(
-        content::WebContentsTester::CreateTestWebContents(profile_.get(),
-                                                          nullptr));
-    return web_contents_.back();
-  }
-
-  // Expect an ExtensionMsg_WatchPages message in |sink| with |selectors| as the
-  // param, after invoking |func|.
-  template <class Func>
-  void ExpectWatchPagesMessage(IPC::TestSink& sink,
-                               const std::set<std::string>& selectors,
-                               const Func& func) {
-    sink.ClearMessages();
-    func();
-    EXPECT_EQ(1u, sink.message_count());
-    const IPC::Message* message =
-        sink.GetUniqueMessageMatching(ExtensionMsg_WatchPages::ID);
-    ASSERT_TRUE(message);
-    ExtensionMsg_WatchPages::Param params;
-    ExtensionMsg_WatchPages::Read(message, &params);
-    EXPECT_THAT(base::get<0>(params), UnorderedElementsAreArray(selectors));
-  }
-
-  // Sends an OnWatchedPageChange message to the tab.
-  void SendOnWatchedPageChangeMessage(
-      content::WebContents* tab,
-      const std::vector<std::string>& selectors) {
-    ExtensionHostMsg_OnWatchedPageChange page_change(tab->GetRoutingID(),
-                                                     selectors);
-    content::MockRenderProcessHost* process =
-        static_cast<content::MockRenderProcessHost*>(
-            tab->GetRenderViewHost()->GetProcess());
-
-    EXPECT_TRUE(process->OnMessageReceived(page_change));
-  }
-
-  Profile* profile() { return profile_.get(); }
-  Delegate* delegate() { return &delegate_; }
-
- private:
-  content::TestBrowserThreadBundle thread_bundle_;
-
-  // Enables MockRenderProcessHosts.
-  content::RenderViewHostTestEnabler render_view_host_test_enabler_;
-
-  const scoped_ptr<TestingProfile> profile_;
-  ScopedVector<DeclarativeContentCssConditionTracker> trackers_;
-  ScopedVector<content::WebContents> web_contents_;
-  Delegate delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(DeclarativeContentCssConditionTrackerTest);
-};
-
-// Tests the basic flow of operations on the
-// DeclarativeContentCssConditionTracker.
-TEST_F(DeclarativeContentCssConditionTrackerTest, Basic) {
-  DeclarativeContentCssConditionTracker *tracker = MakeTracker();
-  int expected_evaluation_requests = 0;
-
-  content::WebContents* const tab = MakeTab();
-  tracker->TrackForWebContents(tab);
-  EXPECT_EQ(expected_evaluation_requests, delegate()->evaluation_requests());
-
-  content::MockRenderProcessHost* process =
-          static_cast<content::MockRenderProcessHost*>(
-              tab->GetRenderViewHost()->GetProcess());
-
-  // Check that calling SetWatchedCssSelectors sends a WatchPages message with
-  // the selectors to the tab's RenderProcessHost.
-  std::set<std::string> watched_selectors;
-  watched_selectors.insert("a");
-  watched_selectors.insert("div");
-  ExpectWatchPagesMessage(process->sink(), watched_selectors,
-                          [&tracker, &watched_selectors]() {
-    tracker->SetWatchedCssSelectors(watched_selectors);
-  });
-  EXPECT_EQ(expected_evaluation_requests, delegate()->evaluation_requests());
-
-  // Check that receiving an OnWatchedPageChange message from the tab results in
-  // a request for condition evaluation.
-  const std::vector<std::string> matched_selectors(1, "div");
-  SendOnWatchedPageChangeMessage(tab, matched_selectors);
-  EXPECT_EQ(++expected_evaluation_requests, delegate()->evaluation_requests());
-
-  // Check that GetMatchingCssSelectors produces the same matched selectors as
-  // were sent by the OnWatchedPageChange message.
-  base::hash_set<std::string> matching_selectors;
-  tracker->GetMatchingCssSelectors(tab, &matching_selectors);
-  EXPECT_THAT(matching_selectors,
-              UnorderedElementsAreArray(matched_selectors));
-  EXPECT_EQ(expected_evaluation_requests, delegate()->evaluation_requests());
-
-  // Check that an in-page navigation has no effect on the matching selectors.
-  {
-    content::LoadCommittedDetails details;
-    details.is_in_page = true;
-    content::FrameNavigateParams params;
-    tracker->OnWebContentsNavigation(tab, details, params);
-    matching_selectors.clear();
-    tracker->GetMatchingCssSelectors(tab, &matching_selectors);
-    EXPECT_THAT(matching_selectors,
-                UnorderedElementsAreArray(matched_selectors));
-    EXPECT_EQ(expected_evaluation_requests, delegate()->evaluation_requests());
-  }
-
-  // Check that a non in-page navigation clears the matching selectors and
-  // requests condition evaluation.
-  {
-    content::LoadCommittedDetails details;
-    details.is_in_page = false;
-    content::FrameNavigateParams params;
-    tracker->OnWebContentsNavigation(tab, details, params);
-    matching_selectors.clear();
-    tracker->GetMatchingCssSelectors(tab, &matching_selectors);
-    EXPECT_TRUE(matching_selectors.empty());
-    EXPECT_EQ(++expected_evaluation_requests,
-              delegate()->evaluation_requests());
-  }
-}
-
-}  // namespace extensions