Move the number conversions from string_util to a new file....

app/gfx/font_util.cc

Index: app/gfx/font_util.cc
===================================================================
--- app/gfx/font_util.cc	(revision 54340)
+++ app/gfx/font_util.cc	(working copy)
@@ -6,7 +6,7 @@
 
 #include "app/l10n_util.h"
 #include "base/logging.h"
-#include "base/string_util.h"
+#include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "gfx/font.h"
 
@@ -15,7 +15,8 @@
 int GetLocalizedContentsWidthForFont(int col_resource_id,
                                      const gfx::Font& font) {
   double chars = 0;
-  StringToDouble(WideToUTF8(l10n_util::GetString(col_resource_id)), &chars);
+  base::StringToDouble(WideToUTF8(l10n_util::GetString(col_resource_id)),
+                       &chars);
   int width = font.GetExpectedTextWidth(static_cast<int>(chars));
   DCHECK_GT(width, 0);
   return width;
@@ -24,7 +25,8 @@
 int GetLocalizedContentsHeightForFont(int row_resource_id,
                                       const gfx::Font& font) {
   double lines = 0;
-  StringToDouble(WideToUTF8(l10n_util::GetString(row_resource_id)), &lines);
+  base::StringToDouble(WideToUTF8(l10n_util::GetString(row_resource_id)),
+                       &lines);
   int height = static_cast<int>(font.height() * lines);
   DCHECK_GT(height, 0);
   return height;