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

Source/core/html/canvas/WebGLRenderingContext.h

Index: Source/core/html/canvas/WebGLRenderingContext.h
diff --git a/Source/core/html/canvas/WebGLRenderingContext.h b/Source/core/html/canvas/WebGLRenderingContext.h
index 358b94b3391948b660b60b701dd7877a3fab8189..e260a2978421b168f4e97cfd4e823c948c24623e 100644
--- a/Source/core/html/canvas/WebGLRenderingContext.h
+++ b/Source/core/html/canvas/WebGLRenderingContext.h
@@ -34,11 +34,10 @@
 #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; }