Replace GrMatrix with SkMatrix.
Review URL: https://codereview.appspot.com/6814067

git-svn-id: http://skia.googlecode.com/svn/trunk@6247 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrClipMaskManager.cpp b/src/gpu/GrClipMaskManager.cpp
index c1effd7..2be92dc 100644
--- a/src/gpu/GrClipMaskManager.cpp
+++ b/src/gpu/GrClipMaskManager.cpp
@@ -35,7 +35,7 @@
 
     static const int kMaskStage = GrPaint::kTotalStages+1;
 
-    GrMatrix mat;
+    SkMatrix mat;
     mat.setIDiv(result->width(), result->height());
     mat.preTranslate(SkIntToScalar(-devBound.fLeft),
                      SkIntToScalar(-devBound.fTop));
@@ -491,7 +491,7 @@
     // no AA here since it is encoded in the texture
     drawState->setRenderTarget(target->asRenderTarget());
 
-    GrMatrix sampleM;
+    SkMatrix sampleM;
     sampleM.setIDiv(texture->width(), texture->height());
 
     drawState->createTextureEffect(0, texture, sampleM);
@@ -1121,7 +1121,7 @@
 
     GrSWMaskHelper helper(this->getContext());
 
-    GrMatrix matrix;
+    SkMatrix matrix;
     matrix.setTranslate(SkIntToScalar(-clipDataIn.fOrigin.fX),
                         SkIntToScalar(-clipDataIn.fOrigin.fY));
     helper.init(*devResultBounds, &matrix);