Autoplay experiment: ignore viewport visibility requirements for audio.

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

Index: third_party/WebKit/Source/core/html/AutoplayExperimentTest.cpp
diff --git a/third_party/WebKit/Source/core/html/AutoplayExperimentTest.cpp b/third_party/WebKit/Source/core/html/AutoplayExperimentTest.cpp
index 9a8705a5a7f76fcce4738e044c9756bd830af50d..ed0bdaadd7a395a88f3b07e930732cf0a822788d 100644
--- a/third_party/WebKit/Source/core/html/AutoplayExperimentTest.cpp
+++ b/third_party/WebKit/Source/core/html/AutoplayExperimentTest.cpp
@@ -110,6 +110,11 @@ public:
         return m_helper->isEligible();
     }
 
+    bool meetsVisibilityRequirements()
+    {
+        return m_helper->meetsVisibilityRequirements();
+    }
+
     void setInterface(MockAutoplayClient* client)
     {
         m_client = client;
@@ -456,4 +461,16 @@ TEST_F(AutoplayExperimentTest, WithoutSameOriginTests)
     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());
+}
+
 }