VaapiVideoAccelerator: make Vaapi accelerator work with ozone

ui/gl/gl_image_glx.cc

Index: ui/gl/gl_image_glx.cc
diff --git a/ui/gl/gl_image_glx.cc b/ui/gl/gl_image_glx.cc
index 395636bcfee06a1a8a58657753505cb2e812a53a..4ee25c0bb5cb9d91f158e010ab18423759b94dc9 100644
--- a/ui/gl/gl_image_glx.cc
+++ b/ui/gl/gl_image_glx.cc
@@ -26,6 +26,7 @@ struct ScopedPtrXFree {
 
 bool ValidFormat(unsigned internalformat) {
   switch (internalformat) {
+    case GL_RGB:
     case GL_RGBA:
       return true;
     default:
@@ -35,6 +36,8 @@ bool ValidFormat(unsigned internalformat) {
 
 int TextureFormat(unsigned internalformat) {
   switch (internalformat) {
+    case GL_RGB:
+      return GLX_TEXTURE_FORMAT_RGB_EXT;
     case GL_RGBA:
       return GLX_TEXTURE_FORMAT_RGBA_EXT;
     default:
@@ -45,6 +48,8 @@ int TextureFormat(unsigned internalformat) {
 
 int BindToTextureFormat(unsigned internalformat) {
   switch (internalformat) {
+    case GL_RGB:
+      return GLX_BIND_TO_TEXTURE_RGB_EXT;
     case GL_RGBA:
       return GLX_BIND_TO_TEXTURE_RGBA_EXT;
     default: