cpplint.py pass on cc/(base|debug|quads|resources)/

cc/resources/managed_memory_policy.h

 // 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.
 
 #ifndef CC_RESOURCES_MANAGED_MEMORY_POLICY_H_
 #define CC_RESOURCES_MANAGED_MEMORY_POLICY_H_
 
 #include "base/basictypes.h"
 #include "cc/base/cc_export.h"
 #include "cc/resources/tile_priority.h"
 
 namespace cc {
 
 struct CC_EXPORT ManagedMemoryPolicy {
   enum PriorityCutoff {
     CUTOFF_ALLOW_NOTHING,
     CUTOFF_ALLOW_REQUIRED_ONLY,
     CUTOFF_ALLOW_NICE_TO_HAVE,
     CUTOFF_ALLOW_EVERYTHING,
   };
 
-  ManagedMemoryPolicy(size_t bytes_limit_when_visible);
+  explicit ManagedMemoryPolicy(size_t bytes_limit_when_visible);
   ManagedMemoryPolicy(size_t bytes_limit_when_visible,
                       PriorityCutoff priority_cutoff_when_visible,
                       size_t bytes_limit_when_not_visible,
                       PriorityCutoff priority_cutoff_when_not_visible);
   bool operator==(const ManagedMemoryPolicy&) const;
   bool operator!=(const ManagedMemoryPolicy&) const;
 
   size_t bytes_limit_when_visible;
   PriorityCutoff priority_cutoff_when_visible;
   size_t bytes_limit_when_not_visible;
   PriorityCutoff priority_cutoff_when_not_visible;
 
   static int PriorityCutoffToValue(PriorityCutoff priority_cutoff);
   static TileMemoryLimitPolicy PriorityCutoffToTileMemoryLimitPolicy(
       PriorityCutoff priority_cutoff);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_MANAGED_MEMORY_POLICY_H_