Update all float attributes in HTMLMediaElement and related objects to double

Source/WebCore/platform/ClockGeneric.h

Index: Source/WebCore/platform/ClockGeneric.h
diff --git a/Source/WebCore/platform/ClockGeneric.h b/Source/WebCore/platform/ClockGeneric.h
index d53a1bc2dc4d3c55f8e0d6399cf658b9b26ad602..3dc0e7db53fda3b995fcffe180e1adbe467c4272 100644
--- a/Source/WebCore/platform/ClockGeneric.h
+++ b/Source/WebCore/platform/ClockGeneric.h
@@ -35,11 +35,11 @@ public:
     ClockGeneric();
 
 private:
-    virtual void setCurrentTime(float);
-    virtual float currentTime() const;
+    virtual void setCurrentTime(double);
+    virtual double currentTime() const;
 
-    virtual void setPlayRate(float);
-    virtual float playRate() const { return m_rate; }
+    virtual void setPlayRate(double);
+    virtual double playRate() const { return m_rate; }
 
     virtual void start();
     virtual void stop();
@@ -48,7 +48,7 @@ private:
     double now() const;
 
     bool m_running;
-    float m_rate;
+    double m_rate;
     double m_offset;
     double m_startTime;
     mutable double m_lastTime;