Move LeftPositionOf() and RightPositionOf() to SelectionModifierCharacter.cpp

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

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//third_party/WebKit/Source/core/core.gni")
 
 blink_core_sources("editing") {
   split_count = 5
   sources = [
     "CaretDisplayItemClient.cpp",
@@ skipping 48 matching lines @@
     "RenderedPosition.cpp",
     "RenderedPosition.h",
     "SelectionAdjuster.cpp",
     "SelectionAdjuster.h",
     "SelectionController.cpp",
     "SelectionController.h",
     "SelectionEditor.cpp",
     "SelectionEditor.h",
     "SelectionModifier.cpp",
     "SelectionModifier.h",
+    "SelectionModifierCharacter.cpp",
     "SelectionModifierWord.cpp",
     "SelectionStrategy.h",
     "SelectionTemplate.cpp",
     "SelectionTemplate.h",
     "SelectionType.h",
     "SurroundingText.cpp",
     "SurroundingText.h",
     "TextAffinity.cpp",
     "TextAffinity.h",
     "TextGranularity.h",
@@ skipping 220 matching lines @@
     "EditorTest.cpp",
     "EphemeralRangeTest.cpp",
     "FrameCaretTest.cpp",
     "FrameSelectionTest.cpp",
     "GranularityStrategyTest.cpp",
     "InputMethodControllerTest.cpp",
     "PositionIteratorTest.cpp",
     "PositionTest.cpp",
     "RelocatablePositionTest.cpp",
     "SelectionControllerTest.cpp",
+    "SelectionModifierTest.cpp",
     "SelectionTemplateTest.cpp",
     "SurroundingTextTest.cpp",
     "VisiblePositionTest.cpp",
     "VisibleSelectionTest.cpp",
     "VisibleUnitsTest.cpp",
     "commands/ApplyBlockElementCommandTest.cpp",
     "commands/ApplyStyleCommandTest.cpp",
     "commands/CompositeEditCommandTest.cpp",
     "commands/DeleteSelectionCommandTest.cpp",
     "commands/InsertIncrementalTextCommandTest.cpp",
@@ skipping 42 matching lines @@
     "//third_party/WebKit/Source:config",
     "//third_party/WebKit/Source:inside_blink",
   ]
 
   deps = [
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/WebKit/Source/core:core",
   ]
 }