Remove OSX-specific <meter> rendering.

third_party/WebKit/Source/core/layout/LayoutTheme.h

Index: third_party/WebKit/Source/core/layout/LayoutTheme.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutTheme.h b/third_party/WebKit/Source/core/layout/LayoutTheme.h
index 31a7cad3e1696461b8879ce4a21c1355b4a6504a..e09d38f71aa85c609f69668b3bdf75d4649b9b7d 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTheme.h
+++ b/third_party/WebKit/Source/core/layout/LayoutTheme.h
@@ -37,7 +37,6 @@ class ComputedStyle;
 class Element;
 class FileList;
 class HTMLInputElement;
-class LayoutMeter;
 class Theme;
 class ThemePainter;
 
@@ -158,9 +157,6 @@ public:
     String formatMediaControlsTime(float time) const;
     String formatMediaControlsCurrentTime(float currentTime, float duration) const;
 
-    virtual IntSize meterSizeForBounds(const LayoutMeter&, const IntRect&) const;
-    virtual bool supportsMeter(ControlPart) const;
-
     // Returns size of one slider tick mark for a horizontal track.
     // For vertical tracks we rotate it and use it. i.e. Width is always length along the track.
     virtual IntSize sliderTickSize() const = 0;