Mac: adjust sizes of progress bars to be equal to painted size.

third_party/WebKit/Source/core/layout/LayoutThemeMac.mm

Index: third_party/WebKit/Source/core/layout/LayoutThemeMac.mm
diff --git a/third_party/WebKit/Source/core/layout/LayoutThemeMac.mm b/third_party/WebKit/Source/core/layout/LayoutThemeMac.mm
index fbb224577b5dddf6bdd48c32592d99ae2509784b..32de0eeb4bc5980273748a9d5509a67b32efa77c 100644
--- a/third_party/WebKit/Source/core/layout/LayoutThemeMac.mm
+++ b/third_party/WebKit/Source/core/layout/LayoutThemeMac.mm
@@ -684,28 +684,12 @@ const int* LayoutThemeMac::popupButtonPadding(NSControlSize size) const
     return padding[size];
 }
 
-const IntSize* LayoutThemeMac::progressBarSizes() const
+const int* LayoutThemeMac::progressBarHeights() const
 {
-    static const IntSize sizes[3] = { IntSize(0, 20), IntSize(0, 12), IntSize(0, 12) };
+    static const int sizes[3] = { 20, 12, 12 };
     return sizes;
 }
 
-const int* LayoutThemeMac::progressBarMargins(NSControlSize controlSize) const
-{
-    static const int margins[3][4] =
-    {
-        { 0, 0, 1, 0 },
-        { 0, 0, 1, 0 },
-        { 0, 0, 1, 0 },
-    };
-    return margins[controlSize];
-}
-
-int LayoutThemeMac::minimumProgressBarHeight(const ComputedStyle& style) const
-{
-    return sizeForSystemFont(style, progressBarSizes()).height();
-}
-
 double LayoutThemeMac::animationRepeatIntervalForProgressBar() const
 {
     return progressAnimationFrameRate;
@@ -925,6 +909,16 @@ int LayoutThemeMac::sliderTickOffsetFromTrackCenter() const
     return -9;
 }
 
+void LayoutThemeMac::adjustProgressBarBounds(ComputedStyle& style) const
+{
+    float zoomLevel = style.effectiveZoom();
+    NSControlSize controlSize = controlSizeForFont(style);
+    int height = progressBarHeights()[controlSize] * zoomLevel;
+
+    // Now inflate it to account for the shadow.
+    style.setMinHeight(Length(height + zoomLevel, Fixed));
+}
+
 void LayoutThemeMac::adjustSliderThumbSize(ComputedStyle& style) const
 {
     float zoomLevel = style.effectiveZoom();