[LayoutNG] Change core/layout/ng to Chromium style and rename files.

third_party/WebKit/Source/core/core.gypi

Index: third_party/WebKit/Source/core/core.gypi
diff --git a/third_party/WebKit/Source/core/core.gypi b/third_party/WebKit/Source/core/core.gypi
index fced7582bdb19cc9353704a076c3d071ccc792e6..fbc81471e80acd97f3a9bc65c3c7cae5b0e683aa 100644
--- a/third_party/WebKit/Source/core/core.gypi
+++ b/third_party/WebKit/Source/core/core.gypi
@@ -541,17 +541,18 @@
             'layout/api/LineLayoutText.h',
             'layout/api/LineLayoutTextCombine.h',
             'layout/api/SelectionState.h',
-            'layout/ng/LayoutNGBlockFlow.cpp',
-            'layout/ng/LayoutNGBlockFlow.h',
-            'layout/ng/NGBlockLayoutAlgorithm.cpp',
-            'layout/ng/NGBlockLayoutAlgorithm.h',
-            'layout/ng/NGConstraintSpace.cpp',
-            'layout/ng/NGConstraintSpace.h',
-            'layout/ng/NGFragment.cpp',
-            'layout/ng/NGFragment.h',
-            'layout/ng/NGMarginStrut.h',
-            'layout/ng/NGText.cpp',
-            'layout/ng/NGText.h',
+            'layout/ng/layout_ng_block_flow.cc',
+            'layout/ng/layout_ng_block_flow.h',
+            'layout/ng/ng_block_layout_algorithm.cc',
+            'layout/ng/ng_block_layout_algorithm.h',
+            'layout/ng/ng_constraint_space.cc',
+            'layout/ng/ng_constraint_space.h',
+            'layout/ng/ng_fragment.cc',
+            'layout/ng/ng_fragment.h',
+            'layout/ng/ng_margin_strut.h',
+            'layout/ng/ng_text.cc',
+            'layout/ng/ng_text.h',
+            'layout/ng/ng_units.h',
             'layout/BidiRun.h',
             'layout/BidiRunForLine.cpp',
             'layout/BidiRunForLine.h',