Simplify benchmark internal API.

bench/ChecksumBench.cpp

Index: bench/ChecksumBench.cpp
diff --git a/bench/ChecksumBench.cpp b/bench/ChecksumBench.cpp
index d57ede370b84787a5ffaa7cf66132106fe44c7b0..898c411641f266b168ba634554e702a0130ab36f 100644
--- a/bench/ChecksumBench.cpp
+++ b/bench/ChecksumBench.cpp
@@ -51,16 +51,16 @@ protected:
         }
     }
 
-    virtual void onDraw(SkCanvas*) {
+    virtual void onDraw(const int loops, SkCanvas*) {
         switch (fType) {
             case kChecksum_ChecksumType: {
-                for (int i = 0; i < this->getLoops(); i++) {
+                for (int i = 0; i < loops; i++) {
                     volatile uint32_t result = SkChecksum::Compute(fData, sizeof(fData));
                     sk_ignore_unused_variable(result);
                 }
             } break;
             case kMD5_ChecksumType: {
-                for (int i = 0; i < this->getLoops(); i++) {
+                for (int i = 0; i < loops; i++) {
                     SkMD5 md5;
                     md5.update(reinterpret_cast<uint8_t*>(fData), sizeof(fData));
                     SkMD5::Digest digest;
@@ -68,7 +68,7 @@ protected:
                 }
             } break;
             case kSHA1_ChecksumType: {
-                for (int i = 0; i < this->getLoops(); i++) {
+                for (int i = 0; i < loops; i++) {
                     SkSHA1 sha1;
                     sha1.update(reinterpret_cast<uint8_t*>(fData), sizeof(fData));
                     SkSHA1::Digest digest;
@@ -76,7 +76,7 @@ protected:
                 }
             } break;
             case kMurmur3_ChecksumType: {
-                for (int i = 0; i < this->getLoops(); i++) {
+                for (int i = 0; i < loops; i++) {
                     volatile uint32_t result = SkChecksum::Murmur3(fData, sizeof(fData));
                     sk_ignore_unused_variable(result);
                 }