Revert "OzoneBacking over GLImageBacking for CrOS Ash"

This reverts commit 9fce2920e0.

Reason for revert: Blocks CrOS release. See bug: https://b.corp.google.com/issues/210123493
https://b.corp.google.com/issues/210072986

Original change's description:
> OzoneBacking over GLImageBacking for CrOS Ash
>
> This change chooses OzoneBacking over GLImageBacking since OzoneBacking
> now supports creating shared images with both GMBs and pixel upload
> support.
>
> Bug: 1241537
> Change-Id: I0182a9744e22326eda5e2726d895a7a6a15b5808
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3301697
> Reviewed-by: Vasiliy Telezhnikov <vasilyt@chromium.org>
> Commit-Queue: Saifuddin Hitawala <hitawala@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#948303}

Bug: 1285307, 1241537, b/210123493, b/213244572, b/210072986
Change-Id: I2b117dc46ccbdf2ea92b664764fb85ba10a83178
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3372078
Reviewed-by: Vasiliy Telezhnikov <vasilyt@chromium.org>
Commit-Queue: Saifuddin Hitawala <hitawala@chromium.org>
Cr-Commit-Position: refs/heads/main@{#956556}

gpu/command_buffer/service/shared_image_backing_factory_gl_image.cc

@@ -265,12 +265,6 @@ bool SharedImageBackingFactoryGLImage::IsSupported(
   *allow_legacy_mailbox = gr_context_type == GrContextType::kGL;
   return true;
 #else
-#if BUILDFLAG(IS_CHROMEOS_ASH)
-  // On ChromeOS Ash, use only for SHARED_MEMORY gmb
-  if (gmb_type != gfx::SHARED_MEMORY_BUFFER) {
-    return false;
-  }
-#endif
   // Doesn't support contexts other than GL for OOPR Canvas
   if (gr_context_type != GrContextType::kGL &&
       ((usage & SHARED_IMAGE_USAGE_DISPLAY) ||
@@ -289,7 +283,6 @@ bool SharedImageBackingFactoryGLImage::IsSupported(
     // return false if it needs interop factory
     return false;
   }
-
   *allow_legacy_mailbox = gr_context_type == GrContextType::kGL;
   return true;
 #endif

gpu/command_buffer/service/shared_image_backing_factory_ozone.cc

@@ -15,7 +15,6 @@
 #include "gpu/command_buffer/service/shared_image_backing_ozone.h"
 #include "gpu/command_buffer/service/shared_memory_region_wrapper.h"
 #include "gpu/vulkan/vulkan_device_queue.h"
-#include "ui/gfx/buffer_types.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 #include "ui/gfx/native_pixmap.h"
 #include "ui/gl/buildflags.h"
@@ -190,6 +189,21 @@ bool SharedImageBackingFactoryOzone::IsSupported(
       gmb_type != gfx::SHARED_MEMORY_BUFFER) {
     return false;
   }
+  // TODO(crbug.com/969114): Not all shared image factory implementations
+  // support concurrent read/write usage.
+  if (usage & SHARED_IMAGE_USAGE_CONCURRENT_READ_WRITE) {
+    return false;
+  }
+
+  // TODO(hitawala): Until SharedImageBackingOzone supports all use cases prefer
+  // using SharedImageBackingGLImage instead
+  bool needs_interop_factory = (gr_context_type == GrContextType::kVulkan &&
+                                (usage & SHARED_IMAGE_USAGE_DISPLAY)) ||
+                               (usage & SHARED_IMAGE_USAGE_WEBGPU) ||
+                               (usage & SHARED_IMAGE_USAGE_VIDEO_DECODE);
+  if (!needs_interop_factory) {
+    return false;
+  }
 
   *allow_legacy_mailbox = false;
   return true;

gpu/command_buffer/service/shared_image_factory.cc

@@ -251,9 +251,12 @@ SharedImageFactory::SharedImageFactory(
   }
 
 #if BUILDFLAG(IS_CHROMEOS_ASH)
-  auto ozone_factory =
-      std::make_unique<SharedImageBackingFactoryOzone>(context_state);
-  factories_.push_back(std::move(ozone_factory));
+  if (gpu_preferences.enable_webgpu ||
+      gr_context_type_ == GrContextType::kVulkan) {
+    auto ozone_factory =
+        std::make_unique<SharedImageBackingFactoryOzone>(context_state);
+    factories_.push_back(std::move(ozone_factory));
+  }
 #endif  // IS_CHROMEOS_ASH
 
 #if defined(OS_FUCHSIA)

gpu/command_buffer/service/shared_image_representation_gl_ozone.cc

@@ -217,6 +217,7 @@ SharedImageRepresentationGLTexturePassthroughOzone::Create(
   GLuint internal_format = image->GetInternalFormat();
   GLenum gl_format = image->GetDataFormat();
   GLenum gl_type = image->GetDataType();
+
   scoped_refptr<gles2::TexturePassthrough> texture_passthrough =
       base::MakeRefCounted<gpu::gles2::TexturePassthrough>(
           *gl_texture_service_id, target, internal_format,