Remove Sk prefix from some bench classes.

bench/SkGMBench.cpp

-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkGMBench.h"
-
-SkGMBench::SkGMBench(skiagm::GM* gm) : fGM(gm) {
-    fName.printf("GM:%s", gm->getName());
-}
-
-SkGMBench::~SkGMBench() { delete fGM; }
-
-const char* SkGMBench::onGetName() {
-    return fName.c_str();
-}
-
-bool SkGMBench::isSuitableFor(Backend backend) {
-    uint32_t flags = fGM->getFlags();
-    switch (backend) {
-        case kGPU_Backend:
-            return !(skiagm::GM::kSkipGPU_Flag & flags);
-        case kPDF_Backend:
-            return !(skiagm::GM::kSkipPDF_Flag & flags);
-        case kRaster_Backend:
-            // GM doesn't have an equivalent flag. If the GM has known issues with 565 then
-            // we skip it for ALL raster configs in bench.
-            return !(skiagm::GM::kSkip565_Flag & flags);
-        case kNonRendering_Backend:
-            return false;
-        default:
-            SkDEBUGFAIL("Unexpected backend type.");
-            return false;
-    }
-}
-
-void SkGMBench::onDraw(const int loops, SkCanvas* canvas) {
-    // Do we care about timing the draw of the background (once)?
-    // Does the GM ever rely on drawBackground to lazily compute something?
-    fGM->drawBackground(canvas);
-    for (int i = 0; i < loops; ++i) {
-        fGM->drawContent(canvas);
-    }
-}
-
-SkIPoint SkGMBench::onGetSize() {
-    SkISize size = fGM->getISize();
-    return SkIPoint::Make(size.fWidth, size.fHeight);
-}