Editing: Remove unreasonable ASSERT_NO_EDITING_ABORT instances.

third_party/WebKit/Source/core/editing/commands/EditingState.h

Index: third_party/WebKit/Source/core/editing/commands/EditingState.h
diff --git a/third_party/WebKit/Source/core/editing/commands/EditingState.h b/third_party/WebKit/Source/core/editing/commands/EditingState.h
index 5063e26460c330c807e3f49fa9a6ba04494ac8aa..c4da581a61370452b34c69190d8149dc0b0f9bae 100644
--- a/third_party/WebKit/Source/core/editing/commands/EditingState.h
+++ b/third_party/WebKit/Source/core/editing/commands/EditingState.h
@@ -65,9 +65,7 @@ private:
     } while (true)
 
 #if ENABLE(ASSERT)
-// TODO(yosin): Once all commands aware |EditingState|, we get rid of
-// |NoEditingAbortChecker| class
-// This class is inspired by |NoExceptionStateAssertionChecke|.
+// This class is inspired by |NoExceptionStateAssertionChecker|.
 class NoEditingAbortChecker final {
     STACK_ALLOCATED();
     WTF_MAKE_NONCOPYABLE(NoEditingAbortChecker);
@@ -83,9 +81,11 @@ private:
     int const m_line;
 };
 
-// A macro for default parameter of |EditingState*| parameter.
-// TODO(yosin): Once all commands aware |EditingState|, we get rid of
-// |ASSERT_NO_EDITING_ABORT| macro.
+// If a function with EditingState* argument should not be aborted,
+// ASSERT_NO_EDITING_ABORT should be specified.
+//    fooFunc(...., ASSERT_NO_EDITING_ABORT);
+// It causes an assertion failure If ENABLE(ASSERT) and the function was aborted
+// unexpectedly.
 #define ASSERT_NO_EDITING_ABORT (NoEditingAbortChecker(__FILE__, __LINE__).editingState())
 #else
 #define ASSERT_NO_EDITING_ABORT (IgnorableEditingAbortState().editingState())