[LayoutNG] Switch NGConstraintSpace to being RefCounted.

third_party/WebKit/Source/web/tests/NGInlineLayoutTest.cpp

Index: third_party/WebKit/Source/web/tests/NGInlineLayoutTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/NGInlineLayoutTest.cpp b/third_party/WebKit/Source/web/tests/NGInlineLayoutTest.cpp
index 8e6a9c346a822b3d0353ae22ef0368ae51c2be92..09328bf137ee3b096ca8d3e895c403f6eebb326f 100644
--- a/third_party/WebKit/Source/web/tests/NGInlineLayoutTest.cpp
+++ b/third_party/WebKit/Source/web/tests/NGInlineLayoutTest.cpp
@@ -20,7 +20,8 @@ namespace blink {
 
 class NGInlineLayoutTest : public SimTest {
  public:
-  NGConstraintSpace* constraintSpaceForElement(LayoutNGBlockFlow* blockFlow) {
+  RefPtr<NGConstraintSpace> constraintSpaceForElement(
+      LayoutNGBlockFlow* blockFlow) {
     return NGConstraintSpaceBuilder(
                FromPlatformWritingMode(blockFlow->style()->getWritingMode()))
         .SetAvailableSize(NGLogicalSize(LayoutUnit(), LayoutUnit()))
@@ -45,11 +46,12 @@ TEST_F(NGInlineLayoutTest, BlockWithSingleTextNode) {
 
   Element* target = document().getElementById("target");
   LayoutNGBlockFlow* blockFlow = toLayoutNGBlockFlow(target->layoutObject());
-  NGConstraintSpace* constraintSpace = constraintSpaceForElement(blockFlow);
+  RefPtr<NGConstraintSpace> constraintSpace =
+      constraintSpaceForElement(blockFlow);
   NGBlockNode* node = new NGBlockNode(blockFlow);
 
   RefPtr<NGLayoutResult> result =
-      NGBlockLayoutAlgorithm(node, constraintSpace).Layout();
+      NGBlockLayoutAlgorithm(node, constraintSpace.get()).Layout();
   EXPECT_TRUE(result);
 
   String expectedText("Hello World!");
@@ -69,11 +71,12 @@ TEST_F(NGInlineLayoutTest, BlockWithTextAndAtomicInline) {
 
   Element* target = document().getElementById("target");
   LayoutNGBlockFlow* blockFlow = toLayoutNGBlockFlow(target->layoutObject());
-  NGConstraintSpace* constraintSpace = constraintSpaceForElement(blockFlow);
+  RefPtr<NGConstraintSpace> constraintSpace =
+      constraintSpaceForElement(blockFlow);
   NGBlockNode* node = new NGBlockNode(blockFlow);
 
   RefPtr<NGLayoutResult> result =
-      NGBlockLayoutAlgorithm(node, constraintSpace).Layout();
+      NGBlockLayoutAlgorithm(node, constraintSpace.get()).Layout();
   EXPECT_TRUE(result);
 
   String expectedText("Hello ");