cc: Remove all blimp code from cc.

cc/proto/layer.proto

Index: cc/proto/layer.proto
diff --git a/cc/proto/layer.proto b/cc/proto/layer.proto
deleted file mode 100644
index 5e111daf613d7c13fc07c8efa8ebc2d3ce1ea712..0000000000000000000000000000000000000000
--- a/cc/proto/layer.proto
+++ /dev/null
@@ -1,145 +0,0 @@
-// Copyright 2015 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.
-
-syntax = "proto2";
-
-import "display_item.proto";
-import "layer_position_constraint.proto";
-import "layer_sticky_position_constraint.proto";
-import "point3f.proto";
-import "pointf.proto";
-import "rect.proto";
-import "region.proto";
-import "scroll_offset.proto";
-import "size.proto";
-import "skxfermode.proto";
-import "transform.proto";
-import "vector2df.proto";
-
-package cc.proto;
-
-option optimize_for = LITE_RUNTIME;
-
-// Hierarchical structure for serializing the Layer tree.
-message LayerNode {
-  // Identifies the type of cc:Layer a LayerNode represents. It is used to
-  // facilitate reconstruction of a Layer of the correct type on the client.
-  enum Type {
-    UNKNOWN = 0;
-    LAYER = 1;
-    PICTURE_LAYER = 2;
-    SOLID_COLOR_SCROLLBAR_LAYER = 4;
-
-    // Layer Types for testing only.
-    FAKE_PICTURE_LAYER = 5;
-    PUSH_PROPERTIES_COUNTING_LAYER = 6;
-
-    // TODO(nyquist): Add the rest of the necessary LayerTypes.
-  };
-
-  // required
-  optional int32 id = 1;
-  // required
-  optional Type type = 2;
-  optional int32 parent_id = 3;
-  // A List of all the children of the current LayerNode.
-  repeated LayerNode children = 4;
-  optional LayerNode mask_layer = 5;
-
-  // Set for SolidColorScrollbarLayers.
-  optional SolidColorScrollbarLayerProperties solid_scrollbar = 6;
-}
-
-// A container for a list of dirty layers.
-message LayerUpdate {
-  // A list of dirty layers.
-  repeated LayerProperties layers = 1;
-}
-
-message LayerProperties {
-  // required
-  optional int32 id = 1;
-
-  // The properties below are only read if |needs_push_properties| is set.
-  // The Layer base class and each descendant have different proto messages
-  // for their specific properties.
-  optional BaseLayerProperties base = 5;
-
-  // Only one of these fields may be set per LayerProperties.
-  // TODO(dtrainor): use a 'oneof' union when it's supported in Chromium.  See
-  // crbug.com/570371.
-  optional PictureLayerProperties picture = 6;
-}
-
-// NEXT ID: 59
-message BaseLayerProperties {
-  // The following fields mirror the data stored in Layer::Inputs.
-  optional Rect update_rect = 46;
-  optional Size bounds = 3;
-  optional bool masks_to_bounds = 14;
-  optional float opacity = 22;
-  optional SkXfermode.Mode blend_mode = 23;
-  optional bool is_root_for_isolated_group = 24;
-  optional bool contents_opaque = 21;
-  optional PointF position = 25;
-  optional Transform transform = 33;
-  optional Point3F transform_origin = 1;
-  optional bool is_drawable = 56;
-  optional bool double_sided = 8;
-  optional bool should_flatten_transform = 28;
-  optional int32 sorting_context_id = 35;
-  optional bool use_parent_backface_visibility = 32;
-  optional uint32 background_color = 2;
-  // TODO(nyquist): Add support for FilterOperation. See crbug.com/541321.
-  // repeated FilterOperation filters = 12;
-  // repeated FilterOperation background_filters = 13;
-  // optional PointF filters_origin = 57
-  optional ScrollOffset scroll_offset = 44;
-  optional int32 scroll_clip_layer_id = 37;
-  optional bool user_scrollable_horizontal = 38;
-  optional bool user_scrollable_vertical = 39;
-  optional uint32 main_thread_scrolling_reasons = 15;
-
-  optional Region non_fast_scrollable_region = 18;
-  // TODO(khushalsagar): Do we actually need these? Touch events are never sent
-  // back to the engine.
-  optional Region touch_event_handler_region = 19;
-
-  optional bool is_container_for_fixed_position_layers = 26;
-  optional LayerPositionConstraint position_constraint = 27;
-  optional LayerStickyPositionConstraint sticky_position_constraint = 58;
-
-  // ElementId and mutable properties ignored because these are used by
-  // animations of Compositor-worker.
-
-  optional int32 scroll_parent_id = 40;
-  optional int32 clip_parent_id = 42;
-  optional bool has_will_change_transform_hint = 48;
-  optional bool hide_layer_and_subtree = 10;
-
-  // TODO(nyquist): Add support for FilterOperation. See crbug.com/541321.
-  // repeated FilterOperation filters = 12;
-  // repeated FilterOperation background_filters = 13;
-}
-
-message PictureLayerProperties {
-  // The following fields mirror the data stored in
-  // PictureLayer::PictureLayerInputs.
-  optional bool nearest_neighbor = 5;
-  optional Rect recorded_viewport = 7;
-  optional DisplayItemList display_list = 8;
-}
-
-message SolidColorScrollbarLayerProperties {
-  enum ScrollbarOrientation {
-    HORIZONTAL = 0;
-    VERTICAL = 1;
-  };
-
-  optional int32 scroll_layer_id = 1;
-  optional int32 thumb_thickness = 2;
-  optional int32 track_start = 3;
-  optional bool is_left_side_vertical_scrollbar = 4;
-  optional ScrollbarOrientation orientation = 5;
-}