Orphan ProcXfermode, with an eye towards removing it

BUG=skia:
R=scroggo@google.com, mtklein@google.com

Author: reed@google.com

Review URL: https://codereview.chromium.org/240533003

git-svn-id: http://skia.googlecode.com/svn/trunk@14238 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/PaintTest.cpp b/tests/PaintTest.cpp
index ab2f22f..350860c 100644
--- a/tests/PaintTest.cpp
+++ b/tests/PaintTest.cpp
@@ -325,7 +325,7 @@
 
     SkWriteBuffer writer;
     SkPaint::FlatteningTraits::Flatten(writer, paint);
-    const size_t expectedBytesWritten = sizeof(void*) == 8 ? 44 : 36;
+    const size_t expectedBytesWritten = sizeof(void*) == 8 ? 36 : 28;
     ASSERT(expectedBytesWritten == writer.bytesWritten());
 
     const uint32_t* written = writer.getWriter32()->contiguousArray();
diff --git a/tests/XfermodeTest.cpp b/tests/XfermodeTest.cpp
index 4afa522..34f5233 100644
--- a/tests/XfermodeTest.cpp
+++ b/tests/XfermodeTest.cpp
@@ -9,10 +9,6 @@
 #include "SkXfermode.h"
 #include "Test.h"
 
-static SkPMColor bogusXfermodeProc(SkPMColor src, SkPMColor dst) {
-    return 42;
-}
-
 #define ILLEGAL_MODE    ((SkXfermode::Mode)-1)
 
 static void test_asMode(skiatest::Reporter* reporter) {
@@ -36,14 +32,6 @@
             REPORTER_ASSERT(reporter, SkXfermode::kSrcOver_Mode == mode);
         }
     }
-
-    SkXfermode* bogusXfer = SkProcXfermode::Create(bogusXfermodeProc);
-    SkXfermode::Mode reportedMode = ILLEGAL_MODE;
-    REPORTER_ASSERT(reporter, !bogusXfer->asMode(&reportedMode));
-    REPORTER_ASSERT(reporter, reportedMode == ILLEGAL_MODE);
-    REPORTER_ASSERT(reporter, !SkXfermode::AsMode(bogusXfer, &reportedMode));
-    REPORTER_ASSERT(reporter, reportedMode == ILLEGAL_MODE);
-    bogusXfer->unref();
 }
 
 static void test_IsMode(skiatest::Reporter* reporter) {