CC Animation: Make cc/animation an independent GN component.

cc/animation/BUILD.gn

Index: cc/animation/BUILD.gn
diff --git a/cc/animation/BUILD.gn b/cc/animation/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..44d5b37c54e22882650aef0ea449befc6a303c7a
--- /dev/null
+++ b/cc/animation/BUILD.gn
@@ -0,0 +1,52 @@
+# Copyright 2016 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.
+
+import("//cc/cc.gni")
+
+cc_component("animation") {
+  output_name = "cc_animation"
+  sources = [
+    "animation.cc",
+    "animation.h",
+    "animation_curve.cc",
+    "animation_curve.h",
+    "animation_delegate.h",
+    "animation_events.cc",
+    "animation_events.h",
+    "animation_export.h",
+    "animation_host.cc",
+    "animation_host.h",
+    "animation_id_provider.cc",
+    "animation_id_provider.h",
+    "animation_player.cc",
+    "animation_player.h",
+    "animation_timeline.cc",
+    "animation_timeline.h",
+    "element_animations.cc",
+    "element_animations.h",
+    "keyframed_animation_curve.cc",
+    "keyframed_animation_curve.h",
+    "scroll_offset_animation_curve.cc",
+    "scroll_offset_animation_curve.h",
+    "scroll_offset_animations.cc",
+    "scroll_offset_animations.h",
+    "scroll_offset_animations_impl.cc",
+    "scroll_offset_animations_impl.h",
+    "timing_function.cc",
+    "timing_function.h",
+    "transform_operation.cc",
+    "transform_operation.h",
+    "transform_operations.cc",
+    "transform_operations.h",
+  ]
+
+  defines = [ "CC_ANIMATION_IMPLEMENTATION=1" ]
+
+  deps = [
+    "//base",
+    "//cc",
+    "//ui/gfx",
+    "//ui/gfx/geometry",
+  ]
+}