cc: Use the correct internal format for glCopyTexImage2D calls.

ui/compositor/test/in_process_context_provider.cc

Index: ui/compositor/test/in_process_context_provider.cc
diff --git a/ui/compositor/test/in_process_context_provider.cc b/ui/compositor/test/in_process_context_provider.cc
index 570044e58a550f37d79b441f497bb9855d583885..d2ccd5882ceb749c78bf851b0c8d4ad2ebf876c2 100644
--- a/ui/compositor/test/in_process_context_provider.cc
+++ b/ui/compositor/test/in_process_context_provider.cc
@@ -160,4 +160,13 @@ void InProcessContextProvider::SetLostContextCallback(
   // Pixel tests do not test lost context.
 }
 
+uint32_t InProcessContextProvider::GetCopyTextureInternalFormat() {
+  if (attribs_.alpha_size > 0)
+    return GL_RGBA;
+  DCHECK_NE(attribs_.red_size, 0);
+  DCHECK_NE(attribs_.green_size, 0);
+  DCHECK_NE(attribs_.blue_size, 0);
+  return GL_RGB;
+}
+
 }  // namespace ui