remove unused auto class

Bug: skia:
Change-Id: I7178876c0d95dc83d64d39a2cb6d90a47bc4b00e
Reviewed-on: https://skia-review.googlesource.com/18520
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>

1 files changed, 0 insertions, 17 deletions

diff --git a/src/shaders/SkComposeShader.cpp b/src/shaders/SkComposeShader.cpp
index be2388f4ec..d66bdf4632 100644
--- a/src/shaders/SkComposeShader.cpp
+++ b/src/shaders/SkComposeShader.cpp
@@ -33,23 +33,6 @@ sk_sp<SkShader> SkShader::MakeComposeShader(sk_sp<SkShader> dst, sk_sp<SkShader>
 
 ///////////////////////////////////////////////////////////////////////////////
 
-class SkAutoAlphaRestore {
-public:
-    SkAutoAlphaRestore(SkPaint* paint, uint8_t newAlpha) {
-        fAlpha = paint->getAlpha();
-        fPaint = paint;
-        paint->setAlpha(newAlpha);
-    }
-
-    ~SkAutoAlphaRestore() {
-        fPaint->setAlpha(fAlpha);
-    }
-private:
-    SkPaint*    fPaint;
-    uint8_t     fAlpha;
-};
-#define SkAutoAlphaRestore(...) SK_REQUIRE_LOCAL_VAR(SkAutoAlphaRestore)
-
 sk_sp<SkFlattenable> SkComposeShader::CreateProc(SkReadBuffer& buffer) {
     sk_sp<SkShader> shaderA(buffer.readShader());
     sk_sp<SkShader> shaderB(buffer.readShader());