Update iOS deployment target to 7.0

ui/gfx/text_utils_ios.mm

Index: ui/gfx/text_utils_ios.mm
diff --git a/ui/gfx/text_utils_ios.mm b/ui/gfx/text_utils_ios.mm
index 56c01df7f554371671427b60dde2480ee4efaf2a..1e9e998078cce10c68c9213c8683acd15d91f1f1 100644
--- a/ui/gfx/text_utils_ios.mm
+++ b/ui/gfx/text_utils_ios.mm
@@ -20,7 +20,8 @@ int GetStringWidth(const base::string16& text, const FontList& font_list) {
 float GetStringWidthF(const base::string16& text, const FontList& font_list) {
   NSString* ns_text = base::SysUTF16ToNSString(text);
   NativeFont native_font = font_list.GetPrimaryFont().GetNativeFont();
-  return [ns_text sizeWithFont:native_font].width;
+  NSDictionary* attributes = @{ NSFontAttributeName : native_font };
+  return ceilf([ns_text sizeWithAttributes:attributes].width);

[sdefresne, 2014/08/13 09:30:37]

nit: same question about std::ceil?

[stuartmorgan, 2014/08/13 14:07:35]

Done.

 }
 
 }  // namespace gfx