Tidy AutoplayExperimentHelper.

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

Index: third_party/WebKit/Source/core/html/AutoplayExperimentHelper.cpp
diff --git a/third_party/WebKit/Source/core/html/AutoplayExperimentHelper.cpp b/third_party/WebKit/Source/core/html/AutoplayExperimentHelper.cpp
index 787879f7b67881d624cdf06bdba07baf04a7dfd4..c8a38bbda52534542031239ba317e9121580bf78 100644
--- a/third_party/WebKit/Source/core/html/AutoplayExperimentHelper.cpp
+++ b/third_party/WebKit/Source/core/html/AutoplayExperimentHelper.cpp
@@ -46,12 +46,6 @@ AutoplayExperimentHelper::~AutoplayExperimentHelper()
 {
 }
 
-void AutoplayExperimentHelper::dispose()
-{
-    // Do any cleanup that requires the client.
-    unregisterForPositionUpdatesIfNeeded();
-}
-
 void AutoplayExperimentHelper::becameReadyToPlay()
 {
     // Assuming that we're eligible to override the user gesture requirement,
@@ -414,11 +408,6 @@ void AutoplayExperimentHelper::prepareToAutoplay(AutoplayMetrics metric)
     // Do not actually start playback here.
 }
 
-AutoplayExperimentHelper::Client& AutoplayExperimentHelper::client() const
-{
-    return *m_client;
-}
-
 AutoplayExperimentHelper::Mode AutoplayExperimentHelper::fromString(const String& mode)
 {
     Mode value = ExperimentOff;