Avoid planar YUV resources when one component EGL images are not supported

cc/resources/resource_provider.cc

Index: cc/resources/resource_provider.cc
diff --git a/cc/resources/resource_provider.cc b/cc/resources/resource_provider.cc
index 2ebeb8d37944913bcf16b76d7e0a3a218dbddf1d..a027db8814a34f7ab4e5c11d59c4f6963b370948 100644
--- a/cc/resources/resource_provider.cc
+++ b/cc/resources/resource_provider.cc
@@ -445,10 +445,15 @@ ResourceProvider::ResourceProvider(
   use_texture_format_bgra_ = caps.texture_format_bgra8888;
   use_texture_usage_hint_ = caps.texture_usage;
   use_compressed_texture_etc1_ = caps.texture_format_etc1;
-  yuv_resource_format_ = caps.texture_rg ? RED_8 : LUMINANCE_8;
-  yuv_highbit_resource_format_ = yuv_resource_format_;
-  if (caps.texture_half_float_linear)
-    yuv_highbit_resource_format_ = LUMINANCE_F16;
+
+  if (caps.disable_one_component_textures) {
+    yuv_resource_format_ = yuv_highbit_resource_format_ = RGBA_8888;
+  } else {
+    yuv_resource_format_ = caps.texture_rg ? RED_8 : LUMINANCE_8;
+    yuv_highbit_resource_format_ =
+        caps.texture_half_float_linear ? LUMINANCE_F16 : yuv_resource_format_;
+  }
+
   use_sync_query_ = caps.sync_query;
 
   GLES2Interface* gl = ContextGL();
@@ -816,6 +821,16 @@ GLenum ResourceProvider::GetResourceTextureTarget(ResourceId id) {
   return GetResource(id)->target;
 }
 
+bool ResourceProvider::IsImmutable(ResourceId id) {
+  if (IsGpuResourceType(default_resource_type_)) {
+    return GetTextureHint(id) == TEXTURE_HINT_IMMUTABLE;
+  } else {
+    // Software resources are immutable; they cannot change format or be
+    // resized.
+    return true;
+  }
+}
+
 ResourceProvider::TextureHint ResourceProvider::GetTextureHint(ResourceId id) {
   return GetResource(id)->hint;
 }