[DevTools] Migrate v8_inspector/public from String16 to String{View,Buffer}.

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/AnimationEffectReadOnly.idl',
             'animation/AnimationEffectTiming.idl',
@@ skipping 1906 matching lines @@
             'inspector/InstanceCounters.cpp',
             'inspector/InstanceCounters.h',
             'inspector/LayoutEditor.cpp',
             'inspector/LayoutEditor.h',
             'inspector/MainThreadDebugger.cpp',
             'inspector/MainThreadDebugger.h',
             'inspector/NetworkResourcesData.cpp',
             'inspector/NetworkResourcesData.h',
             'inspector/ThreadDebugger.cpp',
             'inspector/ThreadDebugger.h',
+            'inspector/V8InspectorStringView.cpp',
+            'inspector/V8InspectorStringView.h',
             'inspector/WorkerInspectorController.cpp',
             'inspector/WorkerInspectorController.h',
             'inspector/WorkerThreadDebugger.cpp',
             'inspector/WorkerThreadDebugger.h',
             'loader/CookieJar.cpp',
             'loader/CrossOriginPreflightResultCache.cpp',
             'loader/DocumentLoadTiming.cpp',
             'loader/DocumentLoader.cpp',
             'loader/DocumentThreadableLoader.cpp',
             'loader/DocumentThreadableLoader.h',
@@ skipping 2342 matching lines @@
             'testing/PrivateScriptTestTest.cpp',
             'timing/MemoryInfoTest.cpp',
             'timing/PerformanceBaseTest.cpp',
             'timing/PerformanceObserverTest.cpp',
             'workers/WorkerThreadTest.cpp',
             'workers/WorkerThreadTestHelper.h',
             'xml/parser/SharedBufferReaderTest.cpp',
         ],
     }
 }