Autoplay experiment: ignore viewport visibility requirements for audio.

third_party/WebKit/Source/core/html/AutoplayExperimentTest.cpp

 // 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 "core/dom/Document.h"
 #include "core/html/AutoplayExperimentHelper.h"
 #include "platform/UserGestureIndicator.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 92 matching lines @@
 public:
     AutoplayExperimentTest() {}
 
     ~AutoplayExperimentTest() {}
 
     bool isEligible()
     {
         return m_helper->isEligible();
     }
 
+    bool meetsVisibilityRequirements()
+    {
+        return m_helper->meetsVisibilityRequirements();
+    }
+
     void setInterface(MockAutoplayClient* client)
     {
         m_client = client;
 
         // Set some defaults.
         setUserGestureRequiredForPlay(true);
         setShouldAutoplay(true);
         setIsMuted(false);
 
         m_helper = AutoplayExperimentHelper::create(m_client.get());
@@ skipping 326 matching lines @@
 
 TEST_F(AutoplayExperimentTest, WithoutSameOriginTests)
 {
     setInterface(new NiceMock<MockAutoplayClient>("enabled-forvideo", MockAutoplayClient::Video));
     ON_CALL(*m_client, isCrossOrigin()).WillByDefault(Return(false));
     EXPECT_TRUE(isEligible());
     ON_CALL(*m_client, isCrossOrigin()).WillByDefault(Return(true));
     EXPECT_TRUE(isEligible());
 }
 
+TEST_F(AutoplayExperimentTest, AudioPageVisibility)
+{
+    setInterface(new NiceMock<MockAutoplayClient>("enabled-foraudio-ifpagevisible", MockAutoplayClient::Audio));
+    ON_CALL(*m_client, pageVisibilityState()).WillByDefault(Return(PageVisibilityStateVisible));
+    EXPECT_TRUE(isEligible());
+    EXPECT_TRUE(meetsVisibilityRequirements());
+
+    ON_CALL(*m_client, pageVisibilityState()).WillByDefault(Return(PageVisibilityStateHidden));
+    EXPECT_TRUE(isEligible());
+    EXPECT_FALSE(meetsVisibilityRequirements());
 }
+
+}