Revert "Propagate color space in DevToolsEyeDropper"

This reverts commit 68b09615.

Reason for revert: after extensive testing, it seems that the fix makes the problem worse

Original change's description:
> Propagate color space in DevToolsEyeDropper
> 
> Sets the color space for DevToolsEyeDropper's bitmap
> 
> Bug: 884170, 1066415
> Change-Id: I2436c326f06dd7d68671cac9ae041fa63c93a60d
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2207370
> Reviewed-by: Mathias Bynens <mathias@chromium.org>
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Commit-Queue: Alex Rudenko <alexrudenko@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#770021}

TBR=yangguo@chromium.org,petermarshall@chromium.org,mathias@chromium.org,alexrudenko@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 884170, 1066415
Change-Id: I3eb31f9599e01d214a83563888e44c2332e9a995
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2228849Reviewed-by: Mathias Bynens <mathias@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Commit-Queue: Alex Rudenko <alexrudenko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#775002}

chrome/browser/devtools/devtools_eye_dropper.cc

@@ -182,11 +182,9 @@ void DevToolsEyeDropper::UpdateCursor() {
   host_->GetScreenInfo(&screen_info);
   double device_scale_factor = screen_info.device_scale_factor;
 
-  SkImageInfo info = SkImageInfo::MakeN32Premul(
-      kCursorSize * device_scale_factor, kCursorSize * device_scale_factor,
-      screen_info.color_space.ToSkColorSpace());
   SkBitmap result;
-  result.allocPixels(info);
+  result.allocN32Pixels(kCursorSize * device_scale_factor,
+                        kCursorSize * device_scale_factor);
   result.eraseARGB(0, 0, 0, 0);
 
   SkCanvas canvas(result);