Fix benches that aren't really timing what we want

Remove full clears from benches
Fix unbounded canvas modification in GM benches

Bug: skia:
Change-Id: Ie3d67282714a7b4e980aec399056c0e9df330993
Reviewed-on: https://skia-review.googlesource.com/86040
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Brian Osman <brianosman@google.com>

1 files changed, 0 insertions, 3 deletions

diff --git a/bench/ChartBench.cpp b/bench/ChartBench.cpp
index 71e311c2b3..944f6104b7 100644
--- a/bench/ChartBench.cpp
+++ b/bench/ChartBench.cpp
@@ -132,9 +132,6 @@ protected:
         }
 
         for (int frame = 0; frame < loops; ++frame) {
-
-            canvas->clear(0xFFE0F0E0);
-
             SkPath plotPath;
             SkPath fillPath;