cc: Rationalize sync points and lost status for returned resources

cc/resources/resource_provider.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_RESOURCES_RESOURCE_PROVIDER_H_
 #define CC_RESOURCES_RESOURCE_PROVIDER_H_
 
 #include <deque>
 #include <set>
 #include <string>
@@ skipping 374 matching lines @@
     int lock_for_read_count;
     int imported_count;
     int exported_count;
     bool locked_for_write;
     bool external;
     bool marked_for_deletion;
     bool pending_set_pixels;
     bool set_pixels_completion_forced;
     bool allocated;
     bool enable_read_lock_fences;
+    bool sync_point_is_from_client;
     scoped_refptr<Fence> read_lock_fence;
     gfx::Size size;
     GLenum target;
     // TODO(skyostil): Use a separate sampler object for filter state.
     GLenum original_filter;
     GLenum filter;
     unsigned image_id;
     unsigned bound_image_id;
     bool dirty_image;
     GLenum texture_pool;
@@ skipping 141 matching lines @@
   return format_gl_data_format[format];
 }
 
 inline GLenum GLInternalFormat(ResourceFormat format) {
   return GLDataFormat(format);
 }
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_RESOURCE_PROVIDER_H_