Revert of Wake Lock API implementation (Chromium part)

content/browser/wake_lock/wake_lock_browsertest.cc

Index: content/browser/wake_lock/wake_lock_browsertest.cc
diff --git a/content/browser/wake_lock/wake_lock_browsertest.cc b/content/browser/wake_lock/wake_lock_browsertest.cc
deleted file mode 100644
index 2da066242fe42da1eeb33f596c80029d243b49f1..0000000000000000000000000000000000000000
--- a/content/browser/wake_lock/wake_lock_browsertest.cc
+++ /dev/null
@@ -1,374 +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 "base/command_line.h"
-#include "base/test/test_timeouts.h"
-#include "content/browser/wake_lock/wake_lock_service_context.h"
-#include "content/browser/web_contents/web_contents_impl.h"
-#include "content/public/common/content_switches.h"
-#include "content/public/test/browser_test_utils.h"
-#include "content/public/test/content_browser_test.h"
-#include "content/public/test/content_browser_test_utils.h"
-#include "content/public/test/test_utils.h"
-#include "content/shell/browser/shell.h"
-#include "content/test/content_browser_test_utils_internal.h"
-#include "net/dns/mock_host_resolver.h"
-#include "net/test/embedded_test_server/embedded_test_server.h"
-
-namespace content {
-
-class WakeLockTest : public ContentBrowserTest {
- public:
-  void SetUpCommandLine(base::CommandLine* command_line) override {
-    command_line->AppendSwitch(
-        switches::kEnableExperimentalWebPlatformFeatures);
-    command_line->AppendSwitch(switches::kSitePerProcess);
-  }
-
-  void SetUpOnMainThread() override {
-    host_resolver()->AddRule("*", "127.0.0.1");
-    EXPECT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
-  }
-
- protected:
-  WebContents* GetWebContents() {
-    return shell()->web_contents();
-  }
-
-  WebContentsImpl* GetWebContentsImpl() {
-    return static_cast<WebContentsImpl*>(GetWebContents());
-  }
-
-  RenderFrameHost* GetMainFrame() {
-    return GetWebContents()->GetMainFrame();
-  }
-
-  FrameTreeNode* GetNestedFrameNode() {
-    FrameTreeNode* root = GetWebContentsImpl()->GetFrameTree()->root();
-    CHECK(root->child_count() == 1);
-    return root->child_at(0);
-  }
-
-  RenderFrameHost* GetNestedFrame() {
-    return GetNestedFrameNode()->current_frame_host();
-  }
-
-  WakeLockServiceContext* GetWakeLockServiceContext() {
-    return GetWebContentsImpl()->GetWakeLockServiceContext();
-  }
-
-  bool HasWakeLock() {
-    return GetWakeLockServiceContext()->HasWakeLockForTests();
-  }
-
-  void WaitForPossibleUpdate() {
-    // As Mojo channels have no common FIFO order in respect to each other and
-    // to the Chromium IPC, we cannot assume that when screen.keepAwake state
-    // is changed from within a script, WakeLockService will receive an update
-    // request before ExecuteScript() returns. Therefore, some time slack is
-    // needed to make sure that WakeLockService has received any possible update
-    // requests before checking the resulting wake lock state.
-    base::PlatformThread::Sleep(TestTimeouts::tiny_timeout());
-    RunAllPendingInMessageLoop();
-  }
-
-  void ScreenWakeLockInMainFrame() {
-    EXPECT_TRUE(ExecuteScript(GetMainFrame(), "screen.keepAwake = true;"));
-    WaitForPossibleUpdate();
-    EXPECT_TRUE(HasWakeLock());
-  }
-
-  bool EvaluateAsBool(const ToRenderFrameHost& adapter,
-                      const std::string& expr) {
-    bool result;
-    CHECK(ExecuteScriptAndExtractBool(
-        adapter,
-        "window.domAutomationController.send(" + expr + ");",
-        &result));
-    return result;
-  }
-};
-
-IN_PROC_BROWSER_TEST_F(WakeLockTest, WakeLockApiIsPresent) {
-  NavigateToURL(shell(), embedded_test_server()->GetURL("/simple_page.html"));
-  EXPECT_TRUE(EvaluateAsBool(GetMainFrame(),
-                             "typeof screen.keepAwake !== undefined"));
-}
-
-IN_PROC_BROWSER_TEST_F(WakeLockTest, LockAndUnlockScreenInMainFrame) {
-  NavigateToURL(shell(), embedded_test_server()->GetURL("/simple_page.html"));
-
-  // Should not have screen wake lock initially.
-  EXPECT_FALSE(HasWakeLock());
-
-  // Check attribute 'screen.keepAwake' in main frame.
-  EXPECT_FALSE(EvaluateAsBool(GetMainFrame(), "screen.keepAwake"));
-
-  // Set keep awake flag in main frame.
-  EXPECT_TRUE(ExecuteScript(GetMainFrame(), "screen.keepAwake = true;"));
-  WaitForPossibleUpdate();
-
-  // Keep awake flag should be set in main frame.
-  EXPECT_TRUE(EvaluateAsBool(GetMainFrame(), "screen.keepAwake"));
-
-  // Should create screen wake lock.
-  EXPECT_TRUE(HasWakeLock());
-
-  // Reset keep awake flag in main frame.
-  EXPECT_TRUE(ExecuteScript(GetMainFrame(), "screen.keepAwake = false;"));
-  WaitForPossibleUpdate();
-
-  // Keep awake flag should not be set in main frame.
-  EXPECT_FALSE(EvaluateAsBool(GetMainFrame(), "screen.keepAwake"));
-
-  // Should release screen wake lock.
-  EXPECT_FALSE(HasWakeLock());
-}
-
-IN_PROC_BROWSER_TEST_F(WakeLockTest, MultipleLockThenUnlock) {
-  NavigateToURL(shell(), embedded_test_server()->GetURL("/simple_page.html"));
-
-  // Set keep awake flag
-  EXPECT_TRUE(ExecuteScript(GetMainFrame(), "screen.keepAwake = true;"));
-  WaitForPossibleUpdate();
-
-  // Set keep awake flag again.
-  EXPECT_TRUE(ExecuteScript(GetMainFrame(), "screen.keepAwake = true;"));
-  WaitForPossibleUpdate();
-
-  // Screen should still be locked.
-  EXPECT_TRUE(HasWakeLock());
-
-  // Reset keep awake flag.
-  EXPECT_TRUE(ExecuteScript(GetMainFrame(), "screen.keepAwake = false;"));
-  WaitForPossibleUpdate();
-
-  // Should release screen wake lock.
-  EXPECT_FALSE(HasWakeLock());
-}
-
-IN_PROC_BROWSER_TEST_F(WakeLockTest, LockInMainFrameAndNestedFrame) {
-  NavigateToURL(shell(),
-      embedded_test_server()->GetURL("/frame_tree/2-4.html"));
-  EXPECT_FALSE(HasWakeLock());
-
-  // Lock screen in nested frame.
-  EXPECT_TRUE(ExecuteScript(GetNestedFrame(), "screen.keepAwake = true;"));
-  WaitForPossibleUpdate();
-
-  // Should create screen wake lock.
-  EXPECT_TRUE(HasWakeLock());
-
-  // screen.keepAwake should be false in the main frame.
-  EXPECT_FALSE(EvaluateAsBool(GetMainFrame(), "screen.keepAwake"));
-
-  // Lock screen in main frame.
-  EXPECT_TRUE(ExecuteScript(GetMainFrame(), "screen.keepAwake = true;"));
-  WaitForPossibleUpdate();
-
-  // screen.keepAwake should be true in the main frame.
-  EXPECT_TRUE(EvaluateAsBool(GetMainFrame(), "screen.keepAwake"));
-
-  // Screen wake lock should not change.
-  EXPECT_TRUE(HasWakeLock());
-
-  // Unlock screen in nested frame.
-  EXPECT_TRUE(ExecuteScript(GetNestedFrame(), "screen.keepAwake = false;"));
-  WaitForPossibleUpdate();
-
-  // Screen wake lock should be present, as the main frame is still requesting
-  // it.
-  EXPECT_TRUE(HasWakeLock());
-
-  // Unlock screen in main frame.
-  EXPECT_TRUE(ExecuteScript(GetMainFrame(), "screen.keepAwake = false;"));
-  WaitForPossibleUpdate();
-
-  // Screen wake lock should be released, as no frames are requesting it.
-  EXPECT_FALSE(HasWakeLock());
-}
-
-IN_PROC_BROWSER_TEST_F(WakeLockTest, FrameRemoved) {
-  NavigateToURL(shell(),
-      embedded_test_server()->GetURL("/frame_tree/2-4.html"));
-  EXPECT_FALSE(HasWakeLock());
-
-  // Lock screen in nested frame.
-  EXPECT_TRUE(ExecuteScript(GetNestedFrame(), "screen.keepAwake = true;"));
-  WaitForPossibleUpdate();
-
-  EXPECT_TRUE(HasWakeLock());
-
-  // Remove nested frame.
-  EXPECT_TRUE(ExecuteScript(
-      GetMainFrame(),
-      "var iframe = document.getElementById('3-1-id');"
-      "iframe.parentNode.removeChild(iframe);"));
-
-  // Screen wake lock should be released.
-  EXPECT_FALSE(HasWakeLock());
-}
-
-IN_PROC_BROWSER_TEST_F(WakeLockTest, UnlockAfterTabCrashed) {
-  NavigateToURL(shell(), embedded_test_server()->GetURL("/simple_page.html"));
-  ScreenWakeLockInMainFrame();
-
-  // Crash the tab.
-  CrashTab(GetWebContents());
-
-  // Screen wake lock should be released.
-  EXPECT_FALSE(HasWakeLock());
-}
-
-IN_PROC_BROWSER_TEST_F(WakeLockTest, UnlockAfterNavigation) {
-  NavigateToURL(shell(), embedded_test_server()->GetURL("/simple_page.html"));
-  ScreenWakeLockInMainFrame();
-
-  // Navigate to a different document.
-  NavigateToURL(shell(), embedded_test_server()->GetURL("/title1.html"));
-
-  // Screen wake lock should be released after navigation.
-  EXPECT_FALSE(HasWakeLock());
-}
-
-IN_PROC_BROWSER_TEST_F(WakeLockTest, UnlockAfterNavigationToSelf) {
-  NavigateToURL(shell(), embedded_test_server()->GetURL("/simple_page.html"));
-  ScreenWakeLockInMainFrame();
-
-  // Navigate to the same document.
-  NavigateToURL(shell(), embedded_test_server()->GetURL("/simple_page.html"));
-
-  // Screen wake lock should be released after navigation to the same URL.
-  EXPECT_FALSE(HasWakeLock());
-}
-
-IN_PROC_BROWSER_TEST_F(WakeLockTest, KeepLockAfterInPageNavigation) {
-  GURL test_url(
-      embedded_test_server()->GetURL("/session_history/fragment.html"));
-  GURL test_in_page_url(test_url.spec() + "#a");
-
-  NavigateToURL(shell(), test_url);
-  ScreenWakeLockInMainFrame();
-
-  NavigateToURL(shell(), test_in_page_url);
-  EXPECT_TRUE(HasWakeLock());
-}
-
-IN_PROC_BROWSER_TEST_F(WakeLockTest, UnlockAfterReload) {
-  NavigateToURL(shell(), embedded_test_server()->GetURL("/simple_page.html"));
-  ScreenWakeLockInMainFrame();
-
-  shell()->Reload();
-  WaitForLoadStop(GetWebContents());
-
-  // Screen wake lock should be released after reload.
-  EXPECT_FALSE(HasWakeLock());
-}
-
-IN_PROC_BROWSER_TEST_F(WakeLockTest, BrowserInitiatedFrameNavigation) {
-  NavigateToURL(shell(),
-      embedded_test_server()->GetURL("/frame_tree/2-4.html"));
-
-  EXPECT_FALSE(HasWakeLock());
-
-  // Lock screen in nested frame.
-  EXPECT_TRUE(ExecuteScript(GetNestedFrame(), "screen.keepAwake = true;"));
-  WaitForPossibleUpdate();
-
-  // Screen wake lock should be present.
-  EXPECT_TRUE(HasWakeLock());
-
-  // Navigate the nested frame (browser-initiated).
-  NavigateFrameToURL(GetNestedFrameNode(),
-                     embedded_test_server()->GetURL("/simple_page.html"));
-  WaitForPossibleUpdate();
-
-  // Screen wake lock should be released.
-  EXPECT_FALSE(HasWakeLock());
-}
-
-IN_PROC_BROWSER_TEST_F(WakeLockTest, RendererInitiatedFrameNavigation) {
-  NavigateToURL(shell(),
-      embedded_test_server()->GetURL("/frame_tree/2-4.html"));
-
-  EXPECT_FALSE(HasWakeLock());
-
-  // Lock screen in nested frame.
-  EXPECT_TRUE(ExecuteScript(GetNestedFrame(), "screen.keepAwake = true;"));
-  WaitForPossibleUpdate();
-
-  // Screen wake lock should be present.
-  EXPECT_TRUE(HasWakeLock());
-
-  // Navigate the nested frame (renderer-initiated).
-  NavigateIframeToURL(GetWebContents(),
-                      "3-1-id",
-                      embedded_test_server()->GetURL("/simple_page.html"));
-  WaitForPossibleUpdate();
-
-  // Screen wake lock should be released.
-  EXPECT_FALSE(HasWakeLock());
-}
-
-IN_PROC_BROWSER_TEST_F(WakeLockTest, OutOfProcessFrame) {
-  NavigateToURL(shell(),
-      embedded_test_server()->GetURL("a.com",
-                                     "/cross_site_iframe_factory.html?a(a)"));
-  EXPECT_FALSE(HasWakeLock());
-
-  // Ensure that the nested frame is same-process.
-  EXPECT_FALSE(GetNestedFrame()->IsCrossProcessSubframe());
-
-  // Lock screen in same-site nested frame.
-  EXPECT_TRUE(ExecuteScript(GetNestedFrame(), "screen.keepAwake = true;"));
-  WaitForPossibleUpdate();
-  EXPECT_TRUE(HasWakeLock());
-
-  // Navigate nested frame to a cross-site document.
-  NavigateFrameToURL(GetNestedFrameNode(),
-                     embedded_test_server()->GetURL("b.com",
-                                                    "/simple_page.html"));
-  WaitForPossibleUpdate();
-
-  // Ensure that a new process has been created for the nested frame.
-  EXPECT_TRUE(GetNestedFrame()->IsCrossProcessSubframe());
-
-  // Screen wake lock should be released.
-  EXPECT_FALSE(HasWakeLock());
-
-  // Lock screen in the cross-site nested frame.
-  EXPECT_TRUE(ExecuteScript(GetNestedFrame(), "screen.keepAwake = true;"));
-  WaitForPossibleUpdate();
-
-  // Screen wake lock should be created.
-  EXPECT_TRUE(HasWakeLock());
-}
-
-IN_PROC_BROWSER_TEST_F(WakeLockTest, UnlockAfterCrashOutOfProcessFrame) {
-  // Load a page with cross-site iframe.
-  NavigateToURL(shell(),
-      embedded_test_server()->GetURL("a.com",
-                                     "/cross_site_iframe_factory.html?a(b)"));
-  EXPECT_FALSE(HasWakeLock());
-
-  // Ensure that a new process has been created for the nested frame.
-  EXPECT_TRUE(GetNestedFrame()->IsCrossProcessSubframe());
-
-  // Lock screen in cross-site nested frame.
-  EXPECT_TRUE(ExecuteScript(GetNestedFrame(), "screen.keepAwake = true;"));
-  WaitForPossibleUpdate();
-  EXPECT_TRUE(HasWakeLock());
-
-  // Crash process that owns the out-of-process frame.
-  RenderProcessHostWatcher watcher(
-      GetNestedFrame()->GetProcess(),
-      RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
-  GetNestedFrame()->GetProcess()->Shutdown(0, false);
-  watcher.Wait();
-
-  // Screen wake lock should be released.
-  EXPECT_FALSE(HasWakeLock());
-}
-
-}  // namespace content