Adds a bunch of benchmarks around creating, transforming, testing path equality,
and concatting paths. Also allows benchs to do setup / tear down steps outside
of the cons/destructor via new SkBenchmark virtuals.

Review URL: http://codereview.appspot.com/6454137/



git-svn-id: http://skia.googlecode.com/svn/trunk@5054 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/SkBenchmark.cpp b/bench/SkBenchmark.cpp
index 19bbf59..c8552d5 100644
--- a/bench/SkBenchmark.cpp
+++ b/bench/SkBenchmark.cpp
@@ -29,10 +29,18 @@
     return this->onGetSize();
 }
 
+void SkBenchmark::preDraw() {
+    this->onPreDraw();
+}
+
 void SkBenchmark::draw(SkCanvas* canvas) {
     this->onDraw(canvas);
 }
 
+void SkBenchmark::postDraw() {
+    this->onPostDraw();
+}
+
 void SkBenchmark::setupPaint(SkPaint* paint) {
     paint->setAlpha(fForceAlpha);
     paint->setAntiAlias(fForceAA);