Reland: cc: Fix size_t to int truncations in layers/ output/ playback/ quads/

cc/output/gl_renderer.cc

 // Copyright 2010 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/output/gl_renderer.h"
 
 #include <algorithm>
 #include <limits>
 #include <set>
 #include <string>
@@ skipping 2214 matching lines @@
     gl_->Uniform4fv(draw_cache_.background_color_location, 1,
                     background_color.data);
   }
 
   gl_->Uniform1fv(
       static_cast<int>(draw_cache_.vertex_opacity_location),
       static_cast<int>(draw_cache_.vertex_opacity_data.size()),
       static_cast<float*>(&draw_cache_.vertex_opacity_data.front()));
 
   // Draw the quads!
-  gl_->DrawElements(GL_TRIANGLES, 6 * draw_cache_.matrix_data.size(),
+  gl_->DrawElements(GL_TRIANGLES,
+                    6 * static_cast<int>(draw_cache_.matrix_data.size()),
                     GL_UNSIGNED_SHORT, 0);
 
   // Clear the cache.
   draw_cache_.program_id = -1;
   draw_cache_.uv_xform_data.resize(0);
   draw_cache_.vertex_opacity_data.resize(0);
   draw_cache_.matrix_data.resize(0);
 
   // If we had a clipped binding, prepare the shared binding for the
   // next inserts.
@@ skipping 1260 matching lines @@
     context_support_->ScheduleOverlayPlane(
         overlay.plane_z_order,
         overlay.transform,
         pending_overlay_resources_.back()->texture_id(),
         ToNearestRect(overlay.display_rect),
         overlay.uv_rect);
   }
 }
 
 }  // namespace cc