ozone: Introduce ClientPixmap and ClientPixmapFactory for non-GPU processes.

content/browser/compositor/browser_compositor_overlay_candidate_validator_ozone.cc

Index: content/browser/compositor/browser_compositor_overlay_candidate_validator_ozone.cc
diff --git a/content/browser/compositor/browser_compositor_overlay_candidate_validator_ozone.cc b/content/browser/compositor/browser_compositor_overlay_candidate_validator_ozone.cc
index d21121b96f1ff9d325395244e710065ed4789873..7d6541e05006ab7197b2344fb2102fe9ae5aea65 100644
--- a/content/browser/compositor/browser_compositor_overlay_candidate_validator_ozone.cc
+++ b/content/browser/compositor/browser_compositor_overlay_candidate_validator_ozone.cc
@@ -8,13 +8,12 @@
 
 namespace content {
 
-static ui::SurfaceFactoryOzone::BufferFormat GetOzoneFormat(
-    cc::ResourceFormat overlay_format) {
+static ui::PixmapFormat GetOzoneFormat(cc::ResourceFormat overlay_format) {
   switch (overlay_format) {
     // TODO(dshwang): overlay video still uses RGBA_8888.
     case cc::RGBA_8888:
     case cc::BGRA_8888:
-      return ui::SurfaceFactoryOzone::BGRA_8888;
+      return ui::PIXMAP_FORMAT_BGRA_8888;
     case cc::RGBA_4444:
     case cc::ALPHA_8:
     case cc::LUMINANCE_8:
@@ -24,7 +23,7 @@ static ui::SurfaceFactoryOzone::BufferFormat GetOzoneFormat(
       break;
   }
   NOTREACHED();
-  return ui::SurfaceFactoryOzone::UNKNOWN;
+  return ui::PIXMAP_FORMAT_UNKNOWN;
 }
 
 BrowserCompositorOverlayCandidateValidatorOzone::