Make stream captures work on canvases that are not in the DOM.

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DTest.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/canvas2d/CanvasRenderingContext2D.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/ImageBitmap.h"
 #include "core/html/HTMLCanvasElement.h"
@@ skipping 804 matching lines @@
           NonOpaque, nullptr));
   canvasElement().createImageBufferUsingSurfaceForTesting(std::move(surface));
 
   context2d()->fillRect(0, 0, 1, 1);  // To have a non-empty dirty rect
   for (int i = 0;
        i < ExpensiveCanvasHeuristicParameters::ExpensiveRecordingStackDepth - 1;
        ++i) {
     context2d()->save();
     context2d()->translate(1.0f, 0.0f);
   }
-  canvasElement().doDeferredPaintInvalidation();  // To close the current frame
+  canvasElement().finalizeFrame();  // To close the current frame
 }
 
 TEST_F(CanvasRenderingContext2DTest, FallbackWithLargeState) {
   createContext(NonOpaque);
   std::unique_ptr<RecordingImageBufferSurface> surface =
       WTF::wrapUnique(new RecordingImageBufferSurface(
           IntSize(10, 10),
           MockSurfaceFactory::create(MockSurfaceFactory::ExpectFallback),
           NonOpaque, nullptr));
   canvasElement().createImageBufferUsingSurfaceForTesting(std::move(surface));
 
   context2d()->fillRect(0, 0, 1, 1);  // To have a non-empty dirty rect
   for (int i = 0;
        i < ExpensiveCanvasHeuristicParameters::ExpensiveRecordingStackDepth;
        ++i) {
     context2d()->save();
     context2d()->translate(1.0f, 0.0f);
   }
-  canvasElement().doDeferredPaintInvalidation();  // To close the current frame
+  canvasElement().finalizeFrame();  // To close the current frame
 }
 
 TEST_F(CanvasRenderingContext2DTest, OpaqueDisplayListFallsBackForText) {
   // Verify that drawing text to an opaque canvas, which is expected to
   // render with subpixel text anti-aliasing, results in falling out
   // of display list mode because the current diplay list implementation
   // does not support pixel geometry settings.
   // See: crbug.com/583809
   createContext(Opaque);
   std::unique_ptr<RecordingImageBufferSurface> surface =
@@ skipping 505 matching lines @@
 
   RuntimeEnabledFeatures::setExperimentalCanvasFeaturesEnabled(
       experimentalCanvasFeaturesRuntimeFlag);
   RuntimeEnabledFeatures::setColorCorrectRenderingEnabled(
       colorCorrectRenderingRuntimeFlag);
   RuntimeEnabledFeatures::setColorCorrectRenderingDefaultModeEnabled(
       colorCorrectRenderingDefaultModeRuntimeFlag);
 }
 
 }  // namespace blink