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

tests/SkpSkGrTest.cpp

 #if !SK_SUPPORT_GPU
 #error "GPU support required"
 #endif
 
 #include "GrContext.h"
 #include "GrContextFactory.h"
 #include "GrRenderTarget.h"
 #include "SkGpuDevice.h"
 #include "gl/GrGLDefines.h"
 
@@ skipping 128 matching lines @@
 public:
     SkpSkGrThreadedRunnable(void (*testFun)(SkpSkGrThreadState*), int dirNo, const char* str,
             SkpSkGrThreadedTestRunner* runner) {
         SkASSERT(strlen(str) < sizeof(fState.fResult.fFilename) - 1);
         fState.init(dirNo);
         strcpy(fState.fResult.fFilename, str);
         fState.fReporter = runner->fReporter;
         fTestFun = testFun;
     }
 
-    virtual void run() SK_OVERRIDE {
+    void run() SK_OVERRIDE {
         SkGraphics::SetTLSFontCacheLimit(1 * 1024 * 1024);
         (*fTestFun)(&fState);
     }
 
     SkpSkGrThreadState fState;
     void (*fTestFun)(SkpSkGrThreadState*);
 };
 
 SkpSkGrThreadedTestRunner::~SkpSkGrThreadedTestRunner() {
     for (int index = 0; index < fRunnables.count(); index++) {
@@ skipping 583 matching lines @@
     int testIndex = 166;
     int dirIndex = skipOverSkGr[testIndex - 166].directory;
     SkString pictDir = make_in_dir_name(dirIndex);
     if (pictDir.size() == 0) {
         return;
     }
     SkString filename(skipOverSkGr[testIndex - 166].filename);
     TestResult::Test(dirIndex, filename.c_str(), kCompareBits, reporter->verbose());
     TestResult::Test(dirIndex, filename.c_str(), kEncodeFiles, reporter->verbose());
 }