Notify listeners on OffScreenCanvas changes

content/browser/webrtc/webrtc_capture_from_element_browsertest.cc

 // Copyright 2016 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 "base/command_line.h"
 #include "base/strings/stringprintf.h"
 #include "content/browser/webrtc/webrtc_content_browsertest_base.h"
 #include "content/public/common/content_switches.h"
 #include "media/base/test_data_util.h"
 
@@ skipping 45 matching lines @@
   ~WebRtcCaptureFromElementBrowserTest() override {}
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     WebRtcContentBrowserTestBase::SetUpCommandLine(command_line);
     base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
         switches::kEnableBlinkFeatures, "MediaCaptureFromVideo");
 
     // Allow <video>/<audio>.play() when not initiated by user gesture.
     base::CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kDisableGestureRequirementForMediaPlayback);
+    // Allow experimental canvas features.
+    base::CommandLine::ForCurrentProcess()->AppendSwitch(
+        switches::kEnableExperimentalCanvasFeatures);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebRtcCaptureFromElementBrowserTest);
 };
 
 IN_PROC_BROWSER_TEST_F(WebRtcCaptureFromElementBrowserTest,
                        VerifyCanvasCaptureColor) {
   MakeTypicalCall("testCanvasCaptureColors();",
                   kCanvasCaptureColorTestHtmlFile);
 }
 
 IN_PROC_BROWSER_TEST_F(WebRtcCaptureFromElementBrowserTest,
                        VerifyCanvasCaptureFrames) {
   MakeTypicalCall("testCanvasCapture(draw2d);", kCanvasCaptureTestHtmlFile);
 }
 
 IN_PROC_BROWSER_TEST_F(WebRtcCaptureFromElementBrowserTest,
                        VerifyCanvasCaptureWebGLFrames) {
   MakeTypicalCall("testCanvasCapture(drawWebGL);", kCanvasCaptureTestHtmlFile);
 }
 
+IN_PROC_BROWSER_TEST_F(WebRtcCaptureFromElementBrowserTest,
+                       VerifyCanvasCaptureOffscreenCanvasCommitFrames) {
+  MakeTypicalCall("testCanvasCapture(drawOffscreenCanvasCommit);",
+                  kCanvasCaptureTestHtmlFile);
+}
+
 IN_PROC_BROWSER_TEST_P(WebRtcCaptureFromElementBrowserTest,
                        MAYBE_CaptureFromMediaElement) {
 #if defined(OS_ANDROID)
   // TODO(mcasas): flaky on Lollipop Low-End devices, investigate and reconnect
   // https://crbug.com/626299
   if (base::SysInfo::IsLowEndDevice() &&
       base::android::BuildInfo::GetInstance()->sdk_int() <
           base::android::SDK_VERSION_MARSHMALLOW) {
     return;
   }
 #endif
 
   MakeTypicalCall(
       base::StringPrintf("testCaptureFromMediaElement(\"%s\", %d, %d, %d);",
                          GetParam().filename.c_str(),
                          GetParam().has_video,
                          GetParam().has_audio,
                          GetParam().use_audio_tag),
       kVideoAudioHtmlFile);
 }
 
 INSTANTIATE_TEST_CASE_P(,
                         WebRtcCaptureFromElementBrowserTest,
                         testing::ValuesIn(kFileAndTypeParameters));
 }  // namespace content