Fix setComposingText when newCursorPosition != 1

third_party/WebKit/Source/core/core.gypi

 {
     'includes': [
         'core_generated.gypi',
     ],
     'variables': {
         # Files for which bindings (.cpp and .h files) will be generated
         'core_idl_files': [
             'animation/KeyframeEffect.idl',
             'animation/EffectModel.idl',
             'animation/AnimationEffectReadOnly.idl',
@@ skipping 3944 matching lines @@
             'editing/FrameSelectionTest.cpp',
             'editing/GranularityStrategyTest.cpp',
             'editing/InputMethodControllerTest.cpp',
             'editing/iterators/BackwardsTextBufferTest.cpp',
             'editing/iterators/CharacterIteratorTest.cpp',
             'editing/iterators/ForwardsTextBufferTest.cpp',
             'editing/iterators/SearchBufferTest.cpp',
             'editing/iterators/SimplifiedBackwardsTextIteratorTest.cpp',
             'editing/iterators/TextIteratorTest.cpp',
             'editing/markers/DocumentMarkerControllerTest.cpp',
+            'editing/PlainTextRangeTest.cpp',
             'editing/PositionTest.cpp',
             'editing/SelectionAdjusterTest.cpp',
             'editing/SurroundingTextTest.cpp',
             'editing/VisiblePositionTest.cpp',
             'editing/VisibleSelectionTest.cpp',
             'editing/VisibleUnitsTest.cpp',
             'editing/serializers/StyledMarkupSerializerTest.cpp',
             'editing/spellcheck/SpellCheckerTest.cpp',
             'editing/state_machines/BackspaceStateMachineTest.cpp',
             'editing/state_machines/BackwardGraphemeBoundaryStateMachineTest.cpp',
@@ skipping 115 matching lines @@
             'svg/SVGPathParserTest.cpp',
             'svg/UnsafeSVGAttributeSanitizationTest.cpp',
             'testing/PrivateScriptTestTest.cpp',
             'timing/MemoryInfoTest.cpp',
             'workers/WorkerThreadTest.cpp',
             'workers/WorkerThreadTestHelper.h',
             'xml/parser/SharedBufferReaderTest.cpp',
         ],
     }
 }