Replacing the OVERRIDE with override in third_party/WebKit/Source/platform

Source/platform/graphics/gpu/DrawingBufferTest.cpp

Index: Source/platform/graphics/gpu/DrawingBufferTest.cpp
diff --git a/Source/platform/graphics/gpu/DrawingBufferTest.cpp b/Source/platform/graphics/gpu/DrawingBufferTest.cpp
index b5b4ef7eb64176411f6ddd447673cf9d84ef7cbf..9060e18cbad1f785a94de862e726afc53b327fed 100644
--- a/Source/platform/graphics/gpu/DrawingBufferTest.cpp
+++ b/Source/platform/graphics/gpu/DrawingBufferTest.cpp
@@ -547,7 +547,7 @@ public:
     WebGLId stencilAttachment() const { return m_stencilAttachment; }
     WebGLId depthAttachment() const { return m_depthAttachment; }
 
-    virtual WebString getString(WGC3Denum type) OVERRIDE
+    virtual WebString getString(WGC3Denum type) override
     {
         if (type == GL_EXTENSIONS) {
             return WebString::fromUTF8("GL_OES_packed_depth_stencil");
@@ -555,12 +555,12 @@ public:
         return WebString();
     }
 
-    virtual WebGLId createRenderbuffer() OVERRIDE
+    virtual WebGLId createRenderbuffer() override
     {
         return ++m_nextRenderBufferId;
     }
 
-    virtual void framebufferRenderbuffer(WGC3Denum target, WGC3Denum attachment, WGC3Denum renderbuffertarget, WebGLId renderbuffer) OVERRIDE
+    virtual void framebufferRenderbuffer(WGC3Denum target, WGC3Denum attachment, WGC3Denum renderbuffertarget, WebGLId renderbuffer) override
     {
         if (attachment == GL_STENCIL_ATTACHMENT) {
             m_stencilAttachment = renderbuffer;
@@ -569,7 +569,7 @@ public:
         }
     }
 
-    virtual void getIntegerv(WGC3Denum ptype, WGC3Dint* value) OVERRIDE
+    virtual void getIntegerv(WGC3Denum ptype, WGC3Dint* value) override
     {
         switch (ptype) {
         case GL_DEPTH_BITS: