Remove WindowFocusAllowedIndicator and associated code.

Source/web/tests/WebScopedWindowFocusAllowedIndicatorTest.cpp

Index: Source/web/tests/WebScopedWindowFocusAllowedIndicatorTest.cpp
diff --git a/Source/web/tests/WebScopedWindowFocusAllowedIndicatorTest.cpp b/Source/web/tests/WebScopedWindowFocusAllowedIndicatorTest.cpp
index 4a98254a4546157552e0d07dd1c7102b23a702ab..c660156159d99fbbbaf572ad3e63594d464e0e66 100644
--- a/Source/web/tests/WebScopedWindowFocusAllowedIndicatorTest.cpp
+++ b/Source/web/tests/WebScopedWindowFocusAllowedIndicatorTest.cpp
@@ -32,7 +32,6 @@
 #include "public/web/WebScopedWindowFocusAllowedIndicator.h"
 
 #include "core/dom/Document.h"
-#include "core/page/WindowFocusAllowedIndicator.h"
 #include "public/web/WebDocument.h"
 #include <gtest/gtest.h>
 
@@ -42,21 +41,6 @@ namespace {
 
 TEST(WebScopedWindowFocusAllowedIndicatorTest, Basic)
 {
-    EXPECT_FALSE(WindowFocusAllowedIndicator::windowFocusAllowed());
-    {
-        WebScopedWindowFocusAllowedIndicator indicator1;
-        EXPECT_TRUE(WindowFocusAllowedIndicator::windowFocusAllowed());
-        {
-            WebScopedWindowFocusAllowedIndicator indicator2;
-            EXPECT_TRUE(WindowFocusAllowedIndicator::windowFocusAllowed());
-        }
-        EXPECT_TRUE(WindowFocusAllowedIndicator::windowFocusAllowed());
-    }
-    EXPECT_FALSE(WindowFocusAllowedIndicator::windowFocusAllowed());
-}
-
-TEST(WebScopedWindowFocusAllowedIndicatorTest, WithDocument)
-{
     RefPtrWillBePersistent<Document> document = Document::create();
     WebDocument webDocument(document);