Move InlineTextBox::rotation to TextPainter

Source/core/rendering/InlineTextBox.h

Index: Source/core/rendering/InlineTextBox.h
diff --git a/Source/core/rendering/InlineTextBox.h b/Source/core/rendering/InlineTextBox.h
index c01cb95d328857532e62c86a265322219b1b1227..ca8b58070b16c8a245fef2add4691eab39de6fa0 100644
--- a/Source/core/rendering/InlineTextBox.h
+++ b/Source/core/rendering/InlineTextBox.h
@@ -26,7 +26,6 @@
 #include "core/rendering/FloatToLayoutUnit.h"
 #include "core/rendering/InlineBox.h"
 #include "core/rendering/RenderText.h" // so textRenderer() can be inline
-#include "platform/fonts/TextBlob.h"
 #include "platform/text/TextRun.h"
 #include "wtf/Forward.h"
 
@@ -97,9 +96,6 @@ public:
     virtual const char* boxName() const override;
 #endif
 
-    enum RotationDirection { Counterclockwise, Clockwise };
-    static AffineTransform rotation(const FloatRectWillBeLayoutRect& boxRect, RotationDirection);
-
 public:
     TextRun constructTextRunForInspector(RenderStyle*, const Font&) const;
     virtual FloatRectWillBeLayoutRect calculateBoundaries() const override { return FloatRectWillBeLayoutRect(x(), y(), width(), height()); }
@@ -178,12 +174,6 @@ DEFINE_INLINE_BOX_TYPE_CASTS(InlineTextBox);
 
 void alignSelectionRectToDevicePixels(FloatRectWillBeLayoutRect&);
 
-inline AffineTransform InlineTextBox::rotation(const FloatRectWillBeLayoutRect& boxRect, RotationDirection rotationDirection)
-{
-    return rotationDirection == Clockwise ? AffineTransform(0, 1, -1, 0, boxRect.x() + boxRect.maxY(), boxRect.maxY() - boxRect.x())
-        : AffineTransform(0, -1, 1, 0, boxRect.x() - boxRect.maxY(), boxRect.x() + boxRect.maxY());
-}
-
 } // namespace blink
 
 #endif // InlineTextBox_h