Allow the Chromoting client plugin to support up-scaling, albeit slowly.

remoting/base/util.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 "remoting/base/util.h"
 
 #include <math.h>
 
 #include "base/logging.h"
 #include "base/stringprintf.h"
@@ skipping 12 matching lines @@
 // our LOG message handler. Bad things will happen.
 std::string GetTimestampString() {
   base::Time t = base::Time::NowFromSystemTime();
   base::Time::Exploded tex;
   t.LocalExplode(&tex);
   return StringPrintf("%02d%02d/%02d%02d%02d:",
                       tex.month, tex.day_of_month,
                       tex.hour, tex.minute, tex.second);
 }
 
-// Helper methods to calculate plane offset given the coordinates.
-static int CalculateRGBOffset(int x, int y, int stride) {
+int CalculateRGBOffset(int x, int y, int stride) {
   return stride * y + kBytesPerPixelRGB32 * x;
 }
 
-static int CalculateYOffset(int x, int y, int stride) {
+int CalculateYOffset(int x, int y, int stride) {
   DCHECK(((x & 1) == 0) && ((y & 1) == 0));
   return stride * y + x;
 }
 
-static int CalculateUVOffset(int x, int y, int stride) {
+int CalculateUVOffset(int x, int y, int stride) {
   DCHECK(((x & 1) == 0) && ((y & 1) == 0));
   return stride * y / 2 + x / 2;
 }
 
 void ConvertRGB32ToYUVWithRect(const uint8* rgb_plane,
                                uint8* y_plane,
                                uint8* u_plane,
                                uint8* v_plane,
                                int x,
                                int y,
@@ skipping 243 matching lines @@
       ++in_p;
     } else {
       *out_p++ = c;
     }
   }
   out.resize(out_p - out_p_begin);
   return out;
 }
 
 }  // namespace remoting