cc: Fix build issues for adding ‘chromium_code’: 1 to cc.gyp and cc_tests.gyp

cc/trees/layer_tree_host_common.cc

 // Copyright 2011 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.
 
 #include "cc/trees/layer_tree_host_common.h"
 
 #include <algorithm>
 
 #include "base/debug/trace_event.h"
 #include "cc/base/math_util.h"
@@ skipping 1314 matching lines @@
                                                  &dummy_layer_list,
                                                  NULL,
                                                  max_texture_size,
                                                  device_scale_factor,
                                                  page_scale_factor,
                                                  can_use_lcd_text,
                                                  &total_drawable_content_rect,
                                                  update_tile_priorities);
 
   // The dummy layer list should not have been used.
-  DCHECK_EQ(dummy_layer_list.size(), 0);
+  DCHECK_EQ(0u, dummy_layer_list.size());
   // A root layer render_surface should always exist after
   // CalculateDrawProperties.
   DCHECK(root_layer->render_surface());
 }
 
 void LayerTreeHostCommon::CalculateDrawProperties(
     LayerImpl* root_layer,
     gfx::Size device_viewport_size,
     float device_scale_factor,
     float page_scale_factor,
@@ skipping 32 matching lines @@
       &dummy_layer_list,
       &layer_sorter,
       max_texture_size,
       device_scale_factor,
       page_scale_factor,
       can_use_lcd_text,
       &total_drawable_content_rect,
       update_tile_priorities);
 
   // The dummy layer list should not have been used.
-  DCHECK_EQ(dummy_layer_list.size(), 0);
+  DCHECK_EQ(0u, dummy_layer_list.size());
   // A root layer render_surface should always exist after
   // CalculateDrawProperties.
   DCHECK(root_layer->render_surface());
 }
 
 static bool PointHitsRect(
     gfx::PointF screen_space_point,
     const gfx::Transform& local_space_to_screen_space_transform,
     gfx::RectF local_space_rect) {
   // If the transform is not invertible, then assume that this point doesn't hit
@@ skipping 177 matching lines @@
   // At this point, we think the point does hit the touch event handler region
   // on the layer, but we need to walk up the parents to ensure that the layer
   // was not clipped in such a way that the hit point actually should not hit
   // the layer.
   if (PointIsClippedBySurfaceOrClipRect(screen_space_point, layer_impl))
     return false;
 
   return true;
 }
 }  // namespace cc