Add SetCharacterDataCommand

third_party/WebKit/Source/core/editing/BUILD.gn

Index: third_party/WebKit/Source/core/editing/BUILD.gn
diff --git a/third_party/WebKit/Source/core/editing/BUILD.gn b/third_party/WebKit/Source/core/editing/BUILD.gn
index a570fab392d58c13fcfee83075b867ff639947ee..2b5fd91afe1dddc57df431c5a245f555ae19fda1 100644
--- a/third_party/WebKit/Source/core/editing/BUILD.gn
+++ b/third_party/WebKit/Source/core/editing/BUILD.gn
@@ -122,6 +122,8 @@ blink_core_sources("editing") {
     "commands/ReplaceNodeWithSpanCommand.h",
     "commands/ReplaceSelectionCommand.cpp",
     "commands/ReplaceSelectionCommand.h",
+    "commands/SetCharacterDataCommand.cpp",
+    "commands/SetCharacterDataCommand.h",
     "commands/SetNodeAttributeCommand.cpp",
     "commands/SetNodeAttributeCommand.h",
     "commands/SimplifyMarkupCommand.cpp",
@@ -249,6 +251,7 @@ source_set("unit_tests") {
     "commands/DeleteSelectionCommandTest.cpp",
     "commands/InsertListCommandTest.cpp",
     "commands/ReplaceSelectionCommandTest.cpp",
+    "commands/SetCharacterDataCommandTest.cpp",
     "commands/TypingCommandTest.cpp",
     "iterators/BackwardsTextBufferTest.cpp",
     "iterators/CharacterIteratorTest.cpp",