Remove unused includes from core/{editing,fileapi,history,html}

Source/core/html/canvas/WebGLRenderingContext.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 16 matching lines @@
 #define WebGLRenderingContext_h
 
 #include "core/dom/ActiveDOMObject.h"
 #include "core/html/canvas/CanvasRenderingContext.h"
 #include "core/html/canvas/WebGLGetInfo.h"
 #include "core/page/Page.h"
 #include "core/platform/Timer.h"
 #include "core/platform/graphics/GraphicsContext3D.h"
 #include "core/platform/graphics/ImageBuffer.h"
 
-#include <wtf/Float32Array.h>
-#include <wtf/Int32Array.h>
-#include <wtf/OwnArrayPtr.h>
-#include <wtf/text/WTFString.h>
-#include <wtf/Uint8Array.h>
+#include "wtf/Float32Array.h"
+#include "wtf/Int32Array.h"
+#include "wtf/OwnArrayPtr.h"
+#include "wtf/text/WTFString.h"
 
 namespace WebKit { class WebLayer; }
 
 namespace WebCore {
 
 class ANGLEInstancedArrays;
 class DrawingBuffer;
 class WebGLDrawBuffers;
 class EXTFragDepth;
 class EXTTextureFilterAnisotropic;
@@ skipping 835 matching lines @@
     static void activateContext(WebGLRenderingContext*);
     static void deactivateContext(WebGLRenderingContext*, bool addToInactiveList);
     static void willDestroyContext(WebGLRenderingContext*);
     static void forciblyLoseOldestContext(const String& reason);
     static IntSize oldestContextSize();
 };
 
 } // namespace WebCore
 
 #endif