New method CreateScaledFrame in the VideoFrameFactory interface.

webrtc/media/engine/webrtcvideoframefactory_unittest.cc

Index: webrtc/media/engine/webrtcvideoframefactory_unittest.cc
diff --git a/webrtc/media/engine/webrtcvideoframefactory_unittest.cc b/webrtc/media/engine/webrtcvideoframefactory_unittest.cc
index 197784b54a3af467f321f792784b8254b38cb4b5..8d650831a018d22c9c5d8155a969822b40ff2f19 100644
--- a/webrtc/media/engine/webrtcvideoframefactory_unittest.cc
+++ b/webrtc/media/engine/webrtcvideoframefactory_unittest.cc
@@ -92,6 +92,24 @@ class WebRtcVideoFrameFactoryTest : public testing::Test {
                 new_height / 2, apply_rotation);
   }
 
+  void TestCreateScaledFrame(bool apply_rotation) {
+    cricket::VideoFrameFactory& factory = factory_;
+    factory.SetApplyRotation(apply_rotation);
+    InitFrame(webrtc::kVideoRotation_270);
+    const cricket::CapturedFrame& captured_frame = get_captured_frame();
+    // Create the new frame from the CapturedFrame.
+    std::unique_ptr<cricket::VideoFrame> frame;
+    int new_width = captured_frame.width / 2;
+    int new_height = captured_frame.height / 2;
+    frame = factory.CreateScaledFrame(&captured_frame, new_width, new_height);
+    VerifyFrame(frame.get(), webrtc::kVideoRotation_270, new_width, new_height,
+                apply_rotation);
+
+    frame = factory.CreateScaledFrame(&captured_frame,
+                                      new_width / 2, new_height / 2);
+    VerifyFrame(frame.get(), webrtc::kVideoRotation_270, new_width / 2,
+                new_height / 2, apply_rotation);
+  }
   const cricket::CapturedFrame& get_captured_frame() { return captured_frame_; }
 
  private:
@@ -100,10 +118,18 @@ class WebRtcVideoFrameFactoryTest : public testing::Test {
   cricket::WebRtcVideoFrameFactory factory_;
 };
 
-TEST_F(WebRtcVideoFrameFactoryTest, NoApplyRotation) {
+TEST_F(WebRtcVideoFrameFactoryTest, CreateAliasedFrameNoApplyRotation) {
   TestCreateAliasedFrame(false);
 }
 
-TEST_F(WebRtcVideoFrameFactoryTest, ApplyRotation) {
+TEST_F(WebRtcVideoFrameFactoryTest, CreateAliasedFrameApplyRotation) {
   TestCreateAliasedFrame(true);
 }
+
+TEST_F(WebRtcVideoFrameFactoryTest, CreateScaledFrameNoApplyRotation) {
+  TestCreateScaledFrame(false);
+}
+
+TEST_F(WebRtcVideoFrameFactoryTest, CreateScaledFrameApplyRotation) {
+  TestCreateScaledFrame(true);
+}