Change FillRectWithBlend methods to take FX_RECT by const-ref.

They currently take const FX_RECT*, but the pointer is never nullptr.

Also add a comment to explain why FX_RECT is the way it is. It has the
same layout as a win32 RECT.

Change-Id: Icf0e4c3eb25fe03317590a736578e053b9dccf7a
Reviewed-on: https://pdfium-review.googlesource.com/30051
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/core/fxge/renderdevicedriver_iface.cpp b/core/fxge/renderdevicedriver_iface.cpp
index b4d7fb0d2c..7023e021bd 100644
--- a/core/fxge/renderdevicedriver_iface.cpp
+++ b/core/fxge/renderdevicedriver_iface.cpp
@@ -29,7 +29,7 @@ bool RenderDeviceDriverIface::SetPixel(int x, int y, uint32_t color) {
   return false;
 }
 
-bool RenderDeviceDriverIface::FillRectWithBlend(const FX_RECT* pRect,
+bool RenderDeviceDriverIface::FillRectWithBlend(const FX_RECT& rect,
                                                 uint32_t fill_color,
                                                 int blend_type) {
   return false;