Install a hook to swap between SkPicture backends with a single define.

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 669 matching lines @@
 
 public:
 
     static void TestPictureFlattenedObjectReuse(skiatest::Reporter* reporter,
                                                 CanvasTestStep* testStep,
                                                 uint32_t recordFlags) {
         // Verify that when a test step is executed twice, no extra resources
         // are flattened during the second execution
         testStep->setAssertMessageFormat(kPictureDrawAssertMessageFormat);
         SkPictureRecorder referenceRecorder;
-        SkCanvas* referenceCanvas = referenceRecorder.beginRecording(kWidth, kHeight,
-                                                                     NULL, recordFlags);
+        SkCanvas* referenceCanvas =
+            referenceRecorder.DEPRECATED_beginRecording(kWidth, kHeight, NULL, recordFlags);
         testStep->draw(referenceCanvas, reporter);
 
         SkPictureRecorder testRecorder;
-        SkCanvas* testCanvas = testRecorder.beginRecording(kWidth, kHeight,
-                                                           NULL, recordFlags);
+        SkCanvas* testCanvas =
+            testRecorder.DEPRECATED_beginRecording(kWidth, kHeight, NULL, recordFlags);
         testStep->draw(testCanvas, reporter);
         testStep->setAssertMessageFormat(kPictureSecondDrawAssertMessageFormat);
         testStep->draw(testCanvas, reporter);
 
         SkPictureRecord* referenceRecord = static_cast<SkPictureRecord*>(referenceCanvas);
         SkPictureRecord* testRecord = static_cast<SkPictureRecord*>(testCanvas);
         testStep->setAssertMessageFormat(kPictureResourceReuseMessageFormat);
         AssertFlattenedObjectsEqual(referenceRecord, testRecord,
                                     reporter, testStep);
     }
@@ skipping 203 matching lines @@
         if (testStepArray()[testStep]->enablePdfTesting()) {
             TestPdfDevice(reporter, testStepArray()[testStep]);
         }
     }
 
     // Explicitly call reset(), so we don't leak the pixels (since kTestBitmap is a global)
     kTestBitmap.reset();
 
     test_newraster(reporter);
 }