Revert "viz: Fix wrong uv_rect calculation"

This reverts commit 4bf9d01d.

Reason for revert: crbug.com/900373

Original change's description:
> viz: Fix wrong uv_rect calculation
> 
> CL:1045256 calculates |uv_rect| of the primary plane in wrong way. It causes
> drmModeAtomicAddProperty failure. This CL fixes it.
> 
> BUG=896945
> 
> Change-Id: I6e914707cb961e8294e8ddd160b75e48ae5a2b64
> Reviewed-on: https://chromium-review.googlesource.com/c/1291590
> Commit-Queue: Dongseong Hwang <dongseong.hwang@intel.com>
> Reviewed-by: Daniele Castagna <dcastagna@chromium.org>
> Reviewed-by: Kristian H. Kristensen <hoegsberg@chromium.org>
> Reviewed-by: Dongseong Hwang <dongseong.hwang@intel.com>
> Cr-Commit-Position: refs/heads/master@{#601392}

TBR=dongseong.hwang@intel.com,dcastagna@chromium.org,hoegsberg@chromium.org

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

Bug: 896945, 900373
Change-Id: Ibab22a4fafb7be1ea0921f0cf774b5973d92b0b2
Reviewed-on: https://chromium-review.googlesource.com/c/1318796Reviewed-by: Wenzhao (Colin) Zang <wzang@chromium.org>
Commit-Queue: Wenzhao (Colin) Zang <wzang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#605559}

components/viz/service/display/overlay_processor.cc

@@ -285,11 +285,9 @@ void OverlayProcessor::EliminateOrCropPrimary(
     // Sometimes the content quads extend past primary->display_rect, so first
     // clip the content_rect to that.
     content_rect.Intersect(primary->display_rect);
-    DCHECK_NE(0, primary->display_rect.width());
-    DCHECK_NE(0, primary->display_rect.height());
-    primary->uv_rect =
-        gfx::ScaleRect(content_rect, 1. / primary->display_rect.width(),
-                       1. / primary->display_rect.height());
+    primary->uv_rect = gfx::ScaleRect(content_rect,
+                                      primary->display_rect.width(),
+                                      primary->display_rect.height());
     primary->display_rect = content_rect;
 
     candidate_list->push_back(*primary);

components/viz/service/display/overlay_unittest.cc

@@ -1913,7 +1913,6 @@ TEST_F(UnderlayTest, PrimaryPlaneOverlayIsTransparentWithUnderlay) {
 
   OverlayCandidateList candidate_list;
   OverlayCandidate candidate;
-  candidate.display_rect = gfx::RectF(pass->output_rect);
   candidate.use_output_surface_for_resource = true;
   candidate.is_opaque = true;
   candidate_list.push_back(candidate);
@@ -2212,7 +2211,6 @@ TEST_F(UnderlayCastTest, PrimaryPlaneOverlayIsTransparentWithUnderlay) {
 
   OverlayCandidateList candidate_list;
   OverlayCandidate candidate;
-  candidate.display_rect = gfx::RectF(pass->output_rect);
   candidate.use_output_surface_for_resource = true;
   candidate.is_opaque = true;
   candidate_list.push_back(candidate);