Allow creating GLImage-backed textures with glTexStorage2D.

cc/resources/resource_provider.h

Index: cc/resources/resource_provider.h
diff --git a/cc/resources/resource_provider.h b/cc/resources/resource_provider.h
index 72ff12e6944f1436c32a4ca8bac4443fb4d99f43..9832cb0ddb814dcf5d7d240d0c476a34ea12a92b 100644
--- a/cc/resources/resource_provider.h
+++ b/cc/resources/resource_provider.h
@@ -76,7 +76,8 @@ class CC_EXPORT ResourceProvider
     TEXTURE_HINT_IMMUTABLE = 0x1,
     TEXTURE_HINT_FRAMEBUFFER = 0x2,
     TEXTURE_HINT_IMMUTABLE_FRAMEBUFFER =
-        TEXTURE_HINT_IMMUTABLE | TEXTURE_HINT_FRAMEBUFFER
+        TEXTURE_HINT_IMMUTABLE | TEXTURE_HINT_FRAMEBUFFER,
+    TEXTURE_HINT_IMAGE = 0x4
   };
   enum ResourceType {
     RESOURCE_TYPE_GPU_MEMORY_BUFFER,
@@ -780,6 +781,7 @@ class CC_EXPORT ResourceProvider
     bool use_texture_format_bgra = false;
     bool use_texture_usage_hint = false;
     bool use_sync_query = false;
+    bool use_texture_buffer_chromium = false;
     ResourceType default_resource_type = RESOURCE_TYPE_GL_TEXTURE;
     viz::ResourceFormat yuv_resource_format = viz::LUMINANCE_8;
     viz::ResourceFormat yuv_highbit_resource_format = viz::LUMINANCE_8;