Remove parts of //cc we aren't using

cc/output/compositor_frame_metadata.h

 // Copyright (c) 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_OUTPUT_COMPOSITOR_FRAME_METADATA_H_
 #define CC_OUTPUT_COMPOSITOR_FRAME_METADATA_H_
 
 #include <vector>
 
-#include "cc/base/cc_export.h"
-#include "cc/output/viewport_selection_bound.h"
 #include "ui/events/latency_info.h"
 #include "ui/gfx/geometry/size_f.h"
 #include "ui/gfx/geometry/vector2d_f.h"
 
 namespace cc {
 
-class CC_EXPORT CompositorFrameMetadata {
+class CompositorFrameMetadata {
  public:
   CompositorFrameMetadata();
   ~CompositorFrameMetadata();
 
   // The device scale factor used to generate this compositor frame.
   float device_scale_factor;
 
   // Scroll offset and scale of the root layer. This can be used for tasks
   // like positioning windowed plugins.
   gfx::Vector2dF root_scroll_offset;
   float page_scale_factor;
 
   // These limits can be used together with the scroll/scale fields above to
   // determine if scrolling/scaling in a particular direction is possible.
   gfx::SizeF scrollable_viewport_size;
   gfx::SizeF root_layer_size;
   float min_page_scale_factor;
   float max_page_scale_factor;
   bool root_overflow_x_hidden;
   bool root_overflow_y_hidden;
 
   // Used to position the Android location top bar and page content, whose
   // precise position is computed by the renderer compositor.
   gfx::Vector2dF location_bar_offset;
   gfx::Vector2dF location_bar_content_translation;
 
-  // Provides selection region updates relative to the current viewport. If the
-  // selection is empty or otherwise unused, the bound types will indicate such.
-  ViewportSelectionBound selection_start;
-  ViewportSelectionBound selection_end;
-
   std::vector<ui::LatencyInfo> latency_info;
 
   // A set of SurfaceSequences that this frame satisfies (always in the same
   // namespace as the current Surface).
   std::vector<uint32_t> satisfies_sequences;
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_COMPOSITOR_FRAME_METADATA_H_