Re-add isIRect test for AA rect drawing

src/gpu/GrAARectRenderer.cpp

Index: src/gpu/GrAARectRenderer.cpp
===================================================================
--- src/gpu/GrAARectRenderer.cpp	(revision 9127)
+++ src/gpu/GrAARectRenderer.cpp	(working copy)
@@ -364,6 +364,7 @@
                                           GrDrawTarget* target,
                                           const GrRect& rect,
                                           const SkMatrix& combinedMatrix,
+                                          const GrRect& devRect,
                                           bool useVertexCoverage) {
     GrDrawState* drawState = target->drawState();
 
@@ -389,8 +390,10 @@
     GrPoint* fan1Pos = reinterpret_cast<GrPoint*>(verts + 4 * vsize);
 
     if (combinedMatrix.rectStaysRect()) {
+#if 0

[bsalomon, 2013/05/14 19:36:27]

Maybe a comment here (and below) about why this was commented out?

[robertphillips, 2013/05/14 19:48:05]

Done.

         SkRect devRect;
         combinedMatrix.mapRect(&devRect, rect);
+#endif
 
         set_inset_fan(fan0Pos, vsize, devRect, -SK_ScalarHalf, -SK_ScalarHalf);
         set_inset_fan(fan1Pos, vsize, devRect,  SK_ScalarHalf,  SK_ScalarHalf);
@@ -628,6 +631,7 @@
                                     GrDrawTarget* target,
                                     const GrRect& rect,
                                     const SkMatrix& combinedMatrix,
+                                    const GrRect& devRect,
                                     const GrVec& devStrokeSize,
                                     bool useVertexCoverage) {
     GrDrawState* drawState = target->drawState();
@@ -637,8 +641,10 @@
     const SkScalar rx = SkScalarMul(dx, SK_ScalarHalf);
     const SkScalar ry = SkScalarMul(dy, SK_ScalarHalf);
 
+#if 0
     SkRect devRect;
     combinedMatrix.mapRect(&devRect, rect);
+#endif
 
     SkScalar spare;
     {
@@ -648,8 +654,9 @@
     }
 
     if (spare <= 0) {
-        devRect.inset(-rx, -ry);
-        this->fillAARect(gpu, target, devRect, SkMatrix::I(), useVertexCoverage);
+        GrRect r(devRect);
+        r.outset(rx, ry);
+        this->fillAARect(gpu, target, r, SkMatrix::I(), r, useVertexCoverage);
         return;
     }