Wrap CSSBorderImageSliceValue on blink::cssvalue:: namespace

This is part of the gradual process of putting all types that derive
from CSSValue into blink::cssvalue:: namespace.

Bug: 667961
Change-Id: I5d90a018fa7e23cacf2bf9c9f7001f8ce1304ba1
Reviewed-on: https://chromium-review.googlesource.com/765621
Commit-Queue: Luciano Pacheco <lucmult@chromium.org>
Reviewed-by: Timothy Loh <timloh@chromium.org>
Reviewed-by: meade_UTC10 <meade@chromium.org>
Reviewed-by: Stuart Langley <slangley@chromium.org>
Cr-Commit-Position: refs/heads/master@{#517315}

third_party/WebKit/Source/core/animation/CSSImageSliceInterpolationType.cpp

@@ -24,7 +24,7 @@ struct SliceTypes {
     is_number[kSideLeft] = slice.slices.Left().IsFixed();
     fill = slice.fill;
   }
-  explicit SliceTypes(const CSSBorderImageSliceValue& slice) {
+  explicit SliceTypes(const cssvalue::CSSBorderImageSliceValue& slice) {
     is_number[kSideTop] = slice.Slices().Top()->IsPrimitiveValue() &&
                           ToCSSPrimitiveValue(slice.Slices().Top())->IsNumber();
     is_number[kSideRight] =
@@ -193,7 +193,8 @@ InterpolationValue CSSImageSliceInterpolationType::MaybeConvertValue(
   if (!value.IsBorderImageSliceValue())
     return nullptr;
 
-  const CSSBorderImageSliceValue& slice = ToCSSBorderImageSliceValue(value);
+  const cssvalue::CSSBorderImageSliceValue& slice =
+      cssvalue::ToCSSBorderImageSliceValue(value);
   std::unique_ptr<InterpolableList> list =
       InterpolableList::Create(kSideIndexCount);
   const CSSValue* sides[kSideIndexCount];

third_party/WebKit/Source/core/css/CSSBorderImageSliceValue.cpp

@@ -28,6 +28,7 @@
 #include "platform/wtf/text/WTFString.h"
 
 namespace blink {
+namespace cssvalue {
 
 CSSBorderImageSliceValue::CSSBorderImageSliceValue(CSSQuadValue* slices,
                                                    bool fill)
@@ -55,4 +56,5 @@ void CSSBorderImageSliceValue::TraceAfterDispatch(blink::Visitor* visitor) {
   CSSValue::TraceAfterDispatch(visitor);
 }
 
+}  // namespace cssvalue
 }  // namespace blink

third_party/WebKit/Source/core/css/CSSBorderImageSliceValue.h

@@ -30,6 +30,7 @@
 #include "core/css/CSSQuadValue.h"
 
 namespace blink {
+namespace cssvalue {
 
 class CSSBorderImageSliceValue : public CSSValue {
  public:
@@ -60,6 +61,7 @@ class CSSBorderImageSliceValue : public CSSValue {
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSBorderImageSliceValue,
                             IsBorderImageSliceValue());
 
+}  // namespace cssvalue
 }  // namespace blink
 
 #endif  // CSSBorderImageSliceValue_h

third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp

@@ -300,7 +300,7 @@ static CSSValue* ValueForPositionOffset(const ComputedStyle& style,
   return ZoomAdjustedPixelValueForLength(offset, style);
 }
 
-static CSSBorderImageSliceValue* ValueForNinePieceImageSlice(
+static cssvalue::CSSBorderImageSliceValue* ValueForNinePieceImageSlice(
     const NinePieceImage& image) {
   // Create the slices.
   CSSPrimitiveValue* top = nullptr;
@@ -449,7 +449,8 @@ static CSSValue* ValueForNinePieceImage(const NinePieceImage& image,
     image_value = image.GetImage()->ComputedCSSValue();
 
   // Create the image slice.
-  CSSBorderImageSliceValue* image_slices = ValueForNinePieceImageSlice(image);
+  cssvalue::CSSBorderImageSliceValue* image_slices =
+      ValueForNinePieceImageSlice(image);
 
   // Create the border area slices.
   CSSValue* border_slices =

third_party/WebKit/Source/core/css/properties/CSSPropertyBorderImageUtils.cpp

@@ -123,7 +123,7 @@ CSSValue* CSSPropertyBorderImageUtils::ConsumeBorderImageSlice(
   CSSPropertyParserHelpers::Complete4Sides(slices);
   if (default_fill == DefaultFill::kFill)
     fill = true;
-  return CSSBorderImageSliceValue::Create(
+  return cssvalue::CSSBorderImageSliceValue::Create(
       CSSQuadValue::Create(slices[0], slices[1], slices[2], slices[3],
                            CSSQuadValue::kSerializeAsQuad),
       fill);

third_party/WebKit/Source/core/css/resolver/CSSToStyleMap.cpp

@@ -577,8 +577,8 @@ void CSSToStyleMap::MapNinePieceImageSlice(StyleResolverState&,
     return;
 
   // Retrieve the border image value.
-  const CSSBorderImageSliceValue& border_image_slice =
-      ToCSSBorderImageSliceValue(value);
+  const cssvalue::CSSBorderImageSliceValue& border_image_slice =
+      cssvalue::ToCSSBorderImageSliceValue(value);
 
   // Set up a length box to represent our image slices.
   LengthBox box;