Do not use inline context for the first float child.

third_party/WebKit/Source/core/layout/ng/ng_block_node_test.cc

Index: third_party/WebKit/Source/core/layout/ng/ng_block_node_test.cc
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_block_node_test.cc b/third_party/WebKit/Source/core/layout/ng/ng_block_node_test.cc
index d3becbc086b9845c4ec174e69290d1588d4a7e2e..1f30b100e18c6b3ede7c749885fe0f9386e5e00c 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_block_node_test.cc
+++ b/third_party/WebKit/Source/core/layout/ng/ng_block_node_test.cc
@@ -77,9 +77,7 @@ TEST_F(NGBlockNodeForTest, ChildFloatBeforeInline) {
   NGBlockNode* container =
       new NGBlockNode(GetLayoutObjectByElementId("container"));
   NGLayoutInputNode* child1 = container->FirstChild();
-  EXPECT_TRUE(child1 && child1->IsInline());
-  NGLayoutInputNode* child2 = child1->NextSibling();
-  EXPECT_EQ(child2, nullptr);
+  EXPECT_FALSE(child1 && child1->IsInline());
 }
 
 TEST_F(NGBlockNodeForTest, ChildFloatAfterInline) {
@@ -143,9 +141,7 @@ TEST_F(NGBlockNodeForTest, ChildOofBeforeInline) {
   NGBlockNode* container =
       new NGBlockNode(GetLayoutObjectByElementId("container"));
   NGLayoutInputNode* child1 = container->FirstChild();
-  EXPECT_TRUE(child1 && child1->IsInline());
-  NGLayoutInputNode* child2 = child1->NextSibling();
-  EXPECT_EQ(child2, nullptr);
+  EXPECT_FALSE(child1 && child1->IsInline());
 }
 
 TEST_F(NGBlockNodeForTest, ChildOofAfterInline) {