Delete AuthorStyleInfo and move its data into ComputedStyle.RareNonInheritedData.

Source/core/layout/LayoutThemeMac.mm

Index: Source/core/layout/LayoutThemeMac.mm
diff --git a/Source/core/layout/LayoutThemeMac.mm b/Source/core/layout/LayoutThemeMac.mm
index f5086be000aa847a5bfb9724fca56b921f72c80f..5b783fa6f90e5aa173fcad712f3cf55bf4fabe34 100644
--- a/Source/core/layout/LayoutThemeMac.mm
+++ b/Source/core/layout/LayoutThemeMac.mm
@@ -29,7 +29,6 @@
 #import "core/layout/LayoutProgress.h"
 #import "core/layout/LayoutView.h"
 #import "core/paint/MediaControlsPainter.h"
-#import "core/style/AuthorStyleInfo.h"
 #import "core/style/ShadowList.h"
 #import "platform/LayoutTestSupport.h"
 #import "platform/PlatformResourceLoader.h"
@@ -438,10 +437,10 @@ Color LayoutThemeMac::systemColor(CSSValueID cssValueId) const
     return color;
 }
 
-bool LayoutThemeMac::isControlStyled(const ComputedStyle& style, const AuthorStyleInfo& authorStyle) const
+bool LayoutThemeMac::isControlStyled(const ComputedStyle& style) const
 {
     if (style.appearance() == TextFieldPart || style.appearance() == TextAreaPart)
-        return authorStyle.specifiesBorder() || style.boxShadow();
+        return style.hasAuthorBorder() || style.boxShadow();
 
     // FIXME: This is horrible, but there is not much else that can be done.
     // Menu lists cannot draw properly when scaled. They can't really draw
@@ -455,7 +454,7 @@ bool LayoutThemeMac::isControlStyled(const ComputedStyle& style, const AuthorSty
     if (style.appearance() == SearchFieldPart && style.effectiveZoom() != 1)
         return true;
 
-    return LayoutTheme::isControlStyled(style, authorStyle);
+    return LayoutTheme::isControlStyled(style);
 }
 
 void LayoutThemeMac::addVisualOverflow(const LayoutObject& object, IntRect& rect)
@@ -785,6 +784,8 @@ void LayoutThemeMac::adjustMenuListStyle(ComputedStyle& style, Element* e) const
     // Set the foreground color to black or gray when we have the aqua look.
     // Cast to RGB32 is to work around a compiler bug.
     style.setColor(e && !e->isDisabledFormControl() ? static_cast<RGBA32>(Color::black) : Color::darkGray);
+    // The style is not cachable since it depends on the element type.
+    style.setUnique();

[Timothy Loh, 2015/07/29 03:37:08]

We probably don't need to do this since the MPC is used before style adjustmemnt

[meade_UTC10, 2015/07/30 05:38:17]

Removed

 
     // Set the button's vertical size.
     setSizeFromFont(style, menuListButtonSizes());