Fix up all the easy virtual ... SK_OVERRIDE cases.

experimental/iOSSampleApp/SkSampleUIView.mm

 #import "SkSampleUIView.h"
 
 #define SKGL_CONFIG         kEAGLColorFormatRGB565
 //#define SKGL_CONFIG         kEAGLColorFormatRGBA8
 
 #define FORCE_REDRAW
 
 #include "SkCanvas.h"
 #include "SkCGUtils.h"
 #include "SkSurface.h"
@@ skipping 22 matching lines @@
     }
     
     virtual ~SkiOSDeviceManager() {
 #if SK_SUPPORT_GPU
         SkSafeUnref(fCurContext);
         SkSafeUnref(fCurIntf);
         SkSafeUnref(fCurRenderTarget);
 #endif
     }
     
-    virtual void setUpBackend(SampleWindow* win, int msaaSampleCount) SK_OVERRIDE {
+    void setUpBackend(SampleWindow* win, int msaaSampleCount) SK_OVERRIDE {
         SkASSERT(SkOSWindow::kNone_BackEndType == fBackend);
         
         fBackend = SkOSWindow::kNone_BackEndType;
         
 #if SK_SUPPORT_GPU
         switch (win->getDeviceType()) {
             // these two don't use GL
             case SampleWindow::kRaster_DeviceType:
             case SampleWindow::kPicture_DeviceType:
                 break;
@@ skipping 44 matching lines @@
             SkSafeUnref(fCurContext);
             SkSafeUnref(fCurIntf);
             SkDebugf("Failed to setup 3D");
             win->detach();
         }
 #endif // SK_SUPPORT_GPU
         // call windowSizeChanged to create the render target
         this->windowSizeChanged(win);
     }
     
-    virtual void tearDownBackend(SampleWindow *win) SK_OVERRIDE {
+    void tearDownBackend(SampleWindow *win) SK_OVERRIDE {
 #if SK_SUPPORT_GPU
         SkSafeUnref(fCurContext);
         fCurContext = NULL;
         
         SkSafeUnref(fCurIntf);
         fCurIntf = NULL;
         
         SkSafeUnref(fCurRenderTarget);
         fCurRenderTarget = NULL;
 #endif
         win->detach();
         fBackend = SampleWindow::kNone_BackEndType;
     }
 
-    virtual SkSurface* createSurface(SampleWindow::DeviceType dType, SampleWindow* win) SK_OVERRIDE{
+    SkSurface* createSurface(SampleWindow::DeviceType dType, SampleWindow* win) SK_OVERRIDE{
 #if SK_SUPPORT_GPU
         if (SampleWindow::IsGpuDeviceType(dType) && fCurContext) {
             SkSurfaceProps props(win->getSurfaceProps());
             return SkSurface::NewRenderTargetDirect(fCurRenderTarget, &props);
         }
 #endif
         return NULL;
     }
 
     virtual void publishCanvas(SampleWindow::DeviceType dType,
                                SkCanvas* canvas,
                                SampleWindow* win) SK_OVERRIDE {
 #if SK_SUPPORT_GPU
         if (NULL != fCurContext) {
             fCurContext->flush();
         }
 #endif
         win->present();
     }
     
-    virtual void windowSizeChanged(SampleWindow* win) SK_OVERRIDE {
+    void windowSizeChanged(SampleWindow* win) SK_OVERRIDE {
 #if SK_SUPPORT_GPU
         if (NULL != fCurContext) {
             SkOSWindow::AttachmentInfo info;
 
             win->attach(fBackend, fMSAASampleCount, &info);
             
             glBindFramebuffer(GL_FRAMEBUFFER, fLayerFBO);
             GrBackendRenderTargetDesc desc;
             desc.fWidth = SkScalarRoundToInt(win->width());
             desc.fHeight = SkScalarRoundToInt(win->height());
             desc.fConfig = kSkia8888_GrPixelConfig;
             desc.fRenderTargetHandle = fLayerFBO;
             desc.fSampleCnt = info.fSampleCount;
             desc.fStencilBits = info.fStencilBits;
 
             SkSafeUnref(fCurRenderTarget);
             fCurRenderTarget = fCurContext->wrapBackendRenderTarget(desc);
         }
 #endif
     }
     
-    virtual GrContext* getGrContext() SK_OVERRIDE {
+    GrContext* getGrContext() SK_OVERRIDE {
 #if SK_SUPPORT_GPU
         return fCurContext;
 #else
         return NULL;
 #endif
     }
     
-    virtual GrRenderTarget* getGrRenderTarget() SK_OVERRIDE {
+    GrRenderTarget* getGrRenderTarget() SK_OVERRIDE {
 #if SK_SUPPORT_GPU
         return fCurRenderTarget;
 #else
         return NULL;
 #endif
     }
     
     bool isUsingGL() const { return SkOSWindow::kNone_BackEndType != fBackend; }
     
 private:
@@ skipping 283 matching lines @@
     glBindRenderbuffer(GL_RENDERBUFFER, fGL.fRenderbuffer);
     glGetRenderbufferParameteriv(GL_RENDERBUFFER,
                                  GL_RENDERBUFFER_STENCIL_SIZE,
                                  &info->fStencilBits);
     glGetRenderbufferParameteriv(GL_RENDERBUFFER,
                                  GL_RENDERBUFFER_SAMPLES_APPLE,
                                  &info->fSampleCount);
 }
 
 @end