Add SK_SUPPORT_LEGACY_DRAWFILTER guard around calls to SkCanvas::(get|set)DrawFilter.

tests/CanvasTest.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /*  Description:
  *      This test defines a series of elementatry test steps that perform
  *      a single or a small group of canvas API calls. Each test step is
@@ skipping 497 matching lines @@
     REPORTER_ASSERT_MESSAGE(reporter, canvas1->getSaveCount() ==
         canvas2->getSaveCount(), testStep->assertMessage());
 
     SkRect bounds1, bounds2;
     REPORTER_ASSERT_MESSAGE(reporter,
         canvas1->getClipBounds(&bounds1) == canvas2->getClipBounds(&bounds2),
         testStep->assertMessage());
     REPORTER_ASSERT_MESSAGE(reporter, bounds1 == bounds2,
                             testStep->assertMessage());
 
+#ifdef SK_SUPPORT_LEGACY_DRAWFILTER
     REPORTER_ASSERT_MESSAGE(reporter, canvas1->getDrawFilter() ==
         canvas2->getDrawFilter(), testStep->assertMessage());
+#endif
+
     SkIRect deviceBounds1, deviceBounds2;
     REPORTER_ASSERT_MESSAGE(reporter,
         canvas1->getClipDeviceBounds(&deviceBounds1) ==
         canvas2->getClipDeviceBounds(&deviceBounds2),
         testStep->assertMessage());
     REPORTER_ASSERT_MESSAGE(reporter, deviceBounds1 == deviceBounds2, testStep->assertMessage());
     REPORTER_ASSERT_MESSAGE(reporter, canvas1->getTotalMatrix() ==
         canvas2->getTotalMatrix(), testStep->assertMessage());
     REPORTER_ASSERT_MESSAGE(reporter, equal_clips(*canvas1, *canvas2), testStep->assertMessage());
 
@@ skipping 220 matching lines @@
     REPORTER_ASSERT(reporter, canvas.getTotalMatrix() == filterCanvas.getTotalMatrix());
     REPORTER_ASSERT(reporter, canvas.getClipBounds(&clip1) == filterCanvas.getClipBounds(&clip2));
     REPORTER_ASSERT(reporter, clip1 == clip2);
 
     filterCanvas.clipRect(SkRect::MakeXYWH(30.5f, 30.7f, 100, 100));
     filterCanvas.scale(0.75f, 0.5f);
     REPORTER_ASSERT(reporter, canvas.getTotalMatrix() == filterCanvas.getTotalMatrix());
     REPORTER_ASSERT(reporter, canvas.getClipBounds(&clip1) == filterCanvas.getClipBounds(&clip2));
     REPORTER_ASSERT(reporter, clip1 == clip2);
 }