Simplify benchmark internal API.

I'm not quite sure why I wrote such a convoluted API with setLoops()/getLoops().
This replaces it with a loops argument passed to onDraw().

This CL is largely mechanical translation from the old API to the new one.
MathBench used this->getLoops() outside onDraw(), which seems incorrect.  I
fixed it.

BUG=
R=djsollen@google.com

Author: mtklein@google.com

Review URL: https://codereview.chromium.org/99893003

git-svn-id: http://skia.googlecode.com/svn/trunk@12466 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/DeferredCanvasBench.cpp b/bench/DeferredCanvasBench.cpp
index d2fb9f2..6bf4dfd 100644
--- a/bench/DeferredCanvasBench.cpp
+++ b/bench/DeferredCanvasBench.cpp
@@ -24,7 +24,7 @@
         return fName.c_str();
     }
 
-    virtual void onDraw(SkCanvas* canvas) {
+    virtual void onDraw(const int loops, SkCanvas* canvas) {
         SkBaseDevice *device = canvas->getDevice()->createCompatibleDevice(
             SkBitmap::kARGB_8888_Config, CANVAS_WIDTH, CANVAS_HEIGHT, false);
 
@@ -32,13 +32,13 @@
         device->unref();
 
         initDeferredCanvas(deferredCanvas);
-        drawInDeferredCanvas(deferredCanvas);
+        drawInDeferredCanvas(loops, deferredCanvas);
         finalizeDeferredCanvas(deferredCanvas);
         deferredCanvas->flush();
     }
 
     virtual void initDeferredCanvas(SkDeferredCanvas* canvas) = 0;
-    virtual void drawInDeferredCanvas(SkDeferredCanvas* canvas) = 0;
+    virtual void drawInDeferredCanvas(const int loops, SkDeferredCanvas* canvas) = 0;
     virtual void finalizeDeferredCanvas(SkDeferredCanvas* canvas) = 0;
 
     SkString fName;
@@ -76,11 +76,11 @@
         canvas->setNotificationClient(&fNotificationClient);
     }
 
-    virtual void drawInDeferredCanvas(SkDeferredCanvas* canvas) SK_OVERRIDE {
+    virtual void drawInDeferredCanvas(const int loops, SkDeferredCanvas* canvas) SK_OVERRIDE {
         SkRect rect;
         rect.setXYWH(0, 0, 10, 10);
         SkPaint paint;
-        for (int i = 0; i < this->getLoops(); i++) {
+        for (int i = 0; i < loops; i++) {
             canvas->save(SkCanvas::kMatrixClip_SaveFlag);
             canvas->translate(SkIntToScalar(i * 27 % CANVAS_WIDTH), SkIntToScalar(i * 13 % CANVAS_HEIGHT));
             canvas->drawRect(rect, paint);