GM: some header cleanup
gm.h includes sk_tool_utils.h but does not use it.
The bulk of this CL makes each gm that uses sk_tool_utils include it.
sk_tool_utils.h also provided SkRandom and SkTDArray,
so a couple GMs add those headers too.
Change-Id: Ieb2a7c542f0ca89c3223f744fc11b0ff37af36c1
Reviewed-on: https://skia-review.googlesource.com/10014
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Herb Derby <herb@google.com>
diff --git a/gm/gradient_matrix.cpp b/gm/gradient_matrix.cpp
index 3992a49..0a4f036 100644
--- a/gm/gradient_matrix.cpp
+++ b/gm/gradient_matrix.cpp
@@ -18,6 +18,7 @@
#include "SkString.h"
#include "gm.h"
+#include "sk_tool_utils.h"
constexpr SkColor gColors[] = {
SK_ColorRED, SK_ColorYELLOW