Update all float attributes in HTMLMediaElement and related objects to double

Source/WebCore/html/shadow/MediaControlElementTypes.h

Index: Source/WebCore/html/shadow/MediaControlElementTypes.h
diff --git a/Source/WebCore/html/shadow/MediaControlElementTypes.h b/Source/WebCore/html/shadow/MediaControlElementTypes.h
index c2f67918b5435acab2989f82d2920200be034a49..959c2efa031703db2fb52014e155ee82fe290e68 100644
--- a/Source/WebCore/html/shadow/MediaControlElementTypes.h
+++ b/Source/WebCore/html/shadow/MediaControlElementTypes.h
@@ -134,14 +134,14 @@ private:
 
 class MediaControlTimeDisplayElement : public MediaControlDivElement {
 public:
-    void setCurrentValue(float);
-    float currentValue() const { return m_currentValue; }
+    void setCurrentValue(double);
+    double currentValue() const { return m_currentValue; }
 
 protected:
     explicit MediaControlTimeDisplayElement(Document*, MediaControlElementType);
 
 private:
-    float m_currentValue;
+    double m_currentValue;
 };
 
 // ----------------------------
@@ -178,7 +178,7 @@ private:
 
     void startTimer();
     void stopTimer();
-    float nextRate() const;
+    double nextRate() const;
     void seekTimerFired(Timer<MediaControlSeekButtonElement>*);
 
     enum ActionType { Nothing, Play, Pause };
@@ -194,7 +194,7 @@ class MediaControlVolumeSliderElement : public MediaControlInputElement {
 public:
     virtual bool willRespondToMouseMoveEvents() OVERRIDE;
     virtual bool willRespondToMouseClickEvents() OVERRIDE;
-    void setVolume(float);
+    void setVolume(double);
     void setClearMutedOnUserInteraction(bool);
 
 protected: