Revert of Move DstCoordTexture to GrXP, rename and remove the word "copy" from dstcopytexture names.

tests/GrPorterDuffTest.cpp

Index: tests/GrPorterDuffTest.cpp
diff --git a/tests/GrPorterDuffTest.cpp b/tests/GrPorterDuffTest.cpp
index 78c2e798f01befcaf7eceb2843dfb87b664173a2..b01277c8548f674330b95dc605d30d47e1861982 100644
--- a/tests/GrPorterDuffTest.cpp
+++ b/tests/GrPorterDuffTest.cpp
@@ -76,7 +76,7 @@
                const GrProcOptInfo& colorPOI, const GrProcOptInfo& covPOI) {
             SkAutoTUnref<GrXPFactory> xpf(GrPorterDuffXPFactory::Create(xfermode));
             SkAutoTUnref<GrXferProcessor> xp(xpf->createXferProcessor(colorPOI, covPOI, 0, caps));
-            TEST_ASSERT(!xpf->willNeedDstTexture(caps, colorPOI, covPOI));
+            TEST_ASSERT(!xpf->willNeedDstCopy(caps, colorPOI, covPOI));
             xpf->getInvariantOutput(colorPOI, covPOI, &fInvariantOutput);
             fOptFlags = xp->getOptimizations(colorPOI, covPOI, false, 0, caps);
             GetXPOutputTypes(xp, &fPrimaryOutputType, &fSecondaryOutputType);
@@ -1311,7 +1311,7 @@
     SkASSERT(covPOI.isFourChannelOutput());
 
     SkAutoTUnref<GrXPFactory> xpf(GrPorterDuffXPFactory::Create(SkXfermode::kSrcOver_Mode));
-    TEST_ASSERT(!xpf->willNeedDstTexture(caps, colorPOI, covPOI));
+    TEST_ASSERT(!xpf->willNeedDstCopy(caps, colorPOI, covPOI));
 
     GrXPFactory::InvariantOutput invariantOutput;
     xpf->getInvariantOutput(colorPOI, covPOI, &invariantOutput);