Revert "Frameworks/base: Unused parameters in hwui"

This reverts commit 42ddc18d108f789705ad4eb697ce9599ad322507.

Change-Id: I3574a936a39a96314db6437d0a1eb58d260d893d
diff --git a/libs/hwui/SkiaShader.cpp b/libs/hwui/SkiaShader.cpp
index 76a70c2..c672bc4 100644
--- a/libs/hwui/SkiaShader.cpp
+++ b/libs/hwui/SkiaShader.cpp
@@ -163,7 +163,7 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 void SkiaLayerShader::describe(Caches*, ProgramDescription& description,
-        const Extensions&, const SkShader& /* shader */) {
+        const Extensions&, const SkShader& shader) {
     description.hasBitmap = true;
 }
 
@@ -339,7 +339,7 @@
 }
 
 void SkiaGradientShader::describe(Caches*, ProgramDescription& description,
-        const Extensions& /* extensions */, const SkShader& shader) {
+        const Extensions& extensions, const SkShader& shader) {
     SkShader::GradientInfo gradInfo;
     gradInfo.fColorCount = 0;
     gradInfo.fColors = NULL;