Remove all blimp engine code

blimp/engine/app/blimp_stability_metrics_provider_unittest.cc

Index: blimp/engine/app/blimp_stability_metrics_provider_unittest.cc
diff --git a/blimp/engine/app/blimp_stability_metrics_provider_unittest.cc b/blimp/engine/app/blimp_stability_metrics_provider_unittest.cc
deleted file mode 100644
index f5a38806407054ff7e0353aabf424f0061578e7f..0000000000000000000000000000000000000000
--- a/blimp/engine/app/blimp_stability_metrics_provider_unittest.cc
+++ /dev/null
@@ -1,115 +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 "blimp/engine/app/blimp_stability_metrics_provider.h"
-
-#include "base/macros.h"
-#include "components/metrics/proto/system_profile.pb.h"
-#include "components/prefs/pref_service.h"
-#include "components/prefs/scoped_user_pref_update.h"
-#include "components/prefs/testing_pref_service.h"
-#include "content/public/browser/browser_context.h"
-#include "content/public/browser/child_process_data.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/notification_source.h"
-#include "content/public/browser/notification_types.h"
-#include "content/public/browser/render_process_host.h"
-#include "content/public/browser/site_instance.h"
-#include "content/public/common/process_type.h"
-#include "content/public/test/mock_render_process_host.h"
-#include "content/public/test/test_browser_thread_bundle.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-class BlimpStabilityMetricsProviderTest : public testing::Test {
- protected:
-  BlimpStabilityMetricsProviderTest() : prefs_(new TestingPrefServiceSimple) {
-    metrics::StabilityMetricsHelper::RegisterPrefs(prefs()->registry());
-  }
-
-  TestingPrefServiceSimple* prefs() { return prefs_.get(); }
-
- private:
-  std::unique_ptr<TestingPrefServiceSimple> prefs_;
-  content::TestBrowserThreadBundle thread_bundle_;
-
-  DISALLOW_COPY_AND_ASSIGN(BlimpStabilityMetricsProviderTest);
-};
-
-}  // namespace
-
-TEST_F(BlimpStabilityMetricsProviderTest, BrowserChildProcessObserver) {
-  BlimpStabilityMetricsProvider provider(prefs());
-
-  content::ChildProcessData child_process_data(content::PROCESS_TYPE_RENDERER);
-  provider.BrowserChildProcessCrashed(child_process_data, 1);
-  provider.BrowserChildProcessCrashed(child_process_data, 1);
-
-  // Call ProvideStabilityMetrics to check that it will force pending tasks to
-  // be executed immediately.
-  metrics::SystemProfileProto system_profile;
-
-  provider.ProvideStabilityMetrics(&system_profile);
-
-  // Check current number of instances created.
-  const metrics::SystemProfileProto_Stability& stability =
-      system_profile.stability();
-
-  EXPECT_EQ(2, stability.child_process_crash_count());
-}
-
-TEST_F(BlimpStabilityMetricsProviderTest, NotificationObserver) {
-  BlimpStabilityMetricsProvider provider(prefs());
-  content::NotificationSource irrelevant_source =
-      content::Source<std::nullptr_t>(nullptr);
-
-  // Load start should increase page load count.
-  provider.Observe(
-      content::NOTIFICATION_LOAD_START, irrelevant_source,
-      content::NotificationService::NoDetails());
-
-  // Crash and abnormal termination should increment renderer crash count.
-  content::RenderProcessHost::RendererClosedDetails crash_details(
-      base::TERMINATION_STATUS_PROCESS_CRASHED, 1);
-  provider.Observe(
-      content::NOTIFICATION_RENDERER_PROCESS_CLOSED, irrelevant_source,
-      content::Details<content::RenderProcessHost::RendererClosedDetails>(
-          &crash_details));
-
-  content::RenderProcessHost::RendererClosedDetails term_details(
-      base::TERMINATION_STATUS_ABNORMAL_TERMINATION, 1);
-  provider.Observe(
-      content::NOTIFICATION_RENDERER_PROCESS_CLOSED, irrelevant_source,
-      content::Details<content::RenderProcessHost::RendererClosedDetails>(
-          &term_details));
-
-  // Kill does not increment renderer crash count.
-  content::RenderProcessHost::RendererClosedDetails kill_details(
-      base::TERMINATION_STATUS_PROCESS_WAS_KILLED, 1);
-  provider.Observe(
-      content::NOTIFICATION_RENDERER_PROCESS_CLOSED, irrelevant_source,
-      content::Details<content::RenderProcessHost::RendererClosedDetails>(
-          &kill_details));
-
-  // Failed launch increments failed launch count.
-  content::RenderProcessHost::RendererClosedDetails failed_launch_details(
-      base::TERMINATION_STATUS_LAUNCH_FAILED, 1);
-  provider.Observe(
-      content::NOTIFICATION_RENDERER_PROCESS_CLOSED, irrelevant_source,
-      content::Details<content::RenderProcessHost::RendererClosedDetails>(
-          &failed_launch_details));
-
-  metrics::SystemProfileProto system_profile;
-
-  // Call ProvideStabilityMetrics to check that it will force pending tasks to
-  // be executed immediately.
-  provider.ProvideStabilityMetrics(&system_profile);
-
-  EXPECT_EQ(1, system_profile.stability().page_load_count());
-  EXPECT_EQ(2, system_profile.stability().renderer_crash_count());
-  EXPECT_EQ(1, system_profile.stability().renderer_failed_launch_count());
-  EXPECT_EQ(0, system_profile.stability().extension_renderer_crash_count());
-}