cc: Fix size_t to int truncations in tiles/ and trees/

cc/tiles/tile_priority.cc

 // Copyright 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.
 
 #include "cc/tiles/tile_priority.h"
 
+#include "base/numerics/safe_conversions.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "base/values.h"
 #include "cc/base/math_util.h"
 
 namespace cc {
 
 std::string WhichTreeToString(WhichTree tree) {
   switch (tree) {
   case ACTIVE_TREE:
     return "ACTIVE_TREE";
@@ skipping 65 matching lines @@
   default:
     DCHECK(false) << "Unrecognized priority value " << prio;
     return "<unknown>";
   }
 }
 
 void GlobalStateThatImpactsTilePriority::AsValueInto(
     base::trace_event::TracedValue* state) const {
   state->SetString("memory_limit_policy",
                    TileMemoryLimitPolicyToString(memory_limit_policy));
-  state->SetInteger("soft_memory_limit_in_bytes", soft_memory_limit_in_bytes);
-  state->SetInteger("hard_memory_limit_in_bytes", hard_memory_limit_in_bytes);
-  state->SetInteger("num_resources_limit", num_resources_limit);
+  state->SetInteger("soft_memory_limit_in_bytes",
+                    base::saturated_cast<int>(soft_memory_limit_in_bytes));
+  state->SetInteger("hard_memory_limit_in_bytes",
+                    base::saturated_cast<int>(hard_memory_limit_in_bytes));
+  state->SetInteger("num_resources_limit",
+                    base::saturated_cast<int>(num_resources_limit));
   state->SetString("tree_priority", TreePriorityToString(tree_priority));
 }
 
 }  // namespace cc