Change the video color space default.

content/renderer/pepper/video_decoder_shim.cc

Index: content/renderer/pepper/video_decoder_shim.cc
diff --git a/content/renderer/pepper/video_decoder_shim.cc b/content/renderer/pepper/video_decoder_shim.cc
index ec176bff069901b7f53c35e40a6dda8cb84196da..90712f8756cb259532c165a5e3ccb78fa6f5b393 100644
--- a/content/renderer/pepper/video_decoder_shim.cc
+++ b/content/renderer/pepper/video_decoder_shim.cc
@@ -374,37 +374,34 @@ void VideoDecoderShim::YUVConverter::Convert(
         0.0f, -0.5f, -0.5f,
     };
 
+    yuv_adjust = yuv_adjust_constrained;
+    yuv_matrix = yuv_to_rgb_rec601;
+
+    int result;
+    if (frame->metadata()->GetInteger(
+            media::VideoFrameMetadata::COLOR_SPACE, &result)) {
+      if (result == media::VideoFrame::COLOR_SPACE_JPEG) {
+        yuv_matrix = yuv_to_rgb_jpeg;
+        yuv_adjust = yuv_adjust_full;
+      } else if (result == media::VideoFrame::COLOR_SPACE_HD_REC709) {
+        yuv_matrix = yuv_to_rgb_rec709;
+      }
+    }
+
     switch (frame->format()) {
       case media::VideoFrame::YV12:  // 420
       case media::VideoFrame::YV12A:
       case media::VideoFrame::I420:
         uv_height_divisor_ = 2;
         uv_width_divisor_ = 2;
-        yuv_adjust = yuv_adjust_constrained;
-        int result;
-        if (frame->metadata()->GetInteger(
-                media::VideoFrameMetadata::COLOR_SPACE, &result)) {
-          if (result == media::VideoFrame::COLOR_SPACE_JPEG) {
-            yuv_matrix = yuv_to_rgb_jpeg;
-            yuv_adjust = yuv_adjust_full;
-          } else {
-            yuv_matrix = yuv_to_rgb_rec709;
-          }
-        } else {
-          yuv_matrix = yuv_to_rgb_rec601;
-        }
         break;
       case media::VideoFrame::YV16:  // 422
         uv_width_divisor_ = 2;
         uv_height_divisor_ = 1;
-        yuv_matrix = yuv_to_rgb_rec601;
-        yuv_adjust = yuv_adjust_constrained;
         break;
       case media::VideoFrame::YV24:  // 444
         uv_width_divisor_ = 1;
         uv_height_divisor_ = 1;
-        yuv_matrix = yuv_to_rgb_rec601;
-        yuv_adjust = yuv_adjust_constrained;
         break;
 
       default:
@@ -864,6 +861,7 @@ bool VideoDecoderShim::Initialize(
       codec,
       profile,
       media::VideoFrame::YV12,
+      media::VideoFrame::COLOR_SPACE_UNSPECIFIED,
       gfx::Size(32, 24),  // Small sizes that won't fail.
       gfx::Rect(32, 24),
       gfx::Size(32, 24),