Clean up header files.

ui/gfx/color_analysis.cc

 // 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.
 
 #include "ui/gfx/color_analysis.h"
 
+#include <limits.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <limits>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkUnPreMultiply.h"
@@ skipping 558 matching lines @@
   gfx::Matrix3F covariance = ComputeColorCovariance(source_bitmap);
   gfx::Matrix3F eigenvectors = gfx::Matrix3F::Zeros();
   gfx::Vector3dF eigenvals = covariance.SolveEigenproblem(&eigenvectors);
   gfx::Vector3dF principal = eigenvectors.get_column(0);
   if (eigenvals == gfx::Vector3dF() || principal == gfx::Vector3dF())
     return false;  // This may happen for some edge cases.
   return ApplyColorReduction(source_bitmap, principal, true, target_bitmap);
 }
 
 }  // color_utils