Rename isBlock() to isEnclosingBlock() in EditingUtilities

Source/core/editing/EditingUtilitiesTest.cpp

Index: Source/core/editing/EditingUtilitiesTest.cpp
diff --git a/Source/core/editing/EditingUtilitiesTest.cpp b/Source/core/editing/EditingUtilitiesTest.cpp
index 3a6481280c5ee06603c399978cbcda46b48a73ad..192564e4008db371b34c331d9b549effb7fd0a53 100644
--- a/Source/core/editing/EditingUtilitiesTest.cpp
+++ b/Source/core/editing/EditingUtilitiesTest.cpp
@@ -23,8 +23,8 @@ TEST_F(EditingUtilitiesTest, enclosingNodeOfType)
     Node* one = document().getElementById("one");
     Node* three = shadowRoot->getElementById("three");
 
-    EXPECT_EQ(host, enclosingNodeOfType(Position(one, 0), isBlock));
-    EXPECT_EQ(three, enclosingNodeOfType(PositionInComposedTree(one, 0), isBlock));
+    EXPECT_EQ(host, enclosingNodeOfType(Position(one, 0), isEnclosingBlock));
+    EXPECT_EQ(three, enclosingNodeOfType(PositionInComposedTree(one, 0), isEnclosingBlock));
 }
 
 TEST_F(EditingUtilitiesTest, NextNodeIndex)