Make GetCustomFontRenderParams() pass font style.

ui/gfx/font_render_params_linux.cc

Index: ui/gfx/font_render_params_linux.cc
diff --git a/ui/gfx/font_render_params_linux.cc b/ui/gfx/font_render_params_linux.cc
index c33e988911e98a4082ebe8896663544a6050d23a..db240b0914581a4abeb79fdfa381c742b0ad6d0e 100644
--- a/ui/gfx/font_render_params_linux.cc
+++ b/ui/gfx/font_render_params_linux.cc
@@ -6,6 +6,7 @@
 
 #include "base/command_line.h"
 #include "base/logging.h"
+#include "ui/gfx/font.h"
 #include "ui/gfx/linux_font_delegate.h"
 #include "ui/gfx/switches.h"
 
@@ -42,6 +43,7 @@ FontRenderParams::SubpixelRendering ConvertFontconfigRgba(int rgba) {
 bool QueryFontconfig(const std::vector<std::string>* family_list,
                      const int* pixel_size,
                      const int* point_size,
+                     const int* style,
                      FontRenderParams* params_out,
                      std::string* family_out) {
   FcPattern* pattern = FcPatternCreate();
@@ -58,6 +60,12 @@ bool QueryFontconfig(const std::vector<std::string>* family_list,
     FcPatternAddDouble(pattern, FC_PIXEL_SIZE, *pixel_size);
   if (point_size)
     FcPatternAddInteger(pattern, FC_SIZE, *point_size);
+  if (style) {
+    FcPatternAddInteger(pattern, FC_SLANT,
+        (*style & Font::ITALIC) ? FC_SLANT_ITALIC : FC_SLANT_ROMAN);
+    FcPatternAddInteger(pattern, FC_WEIGHT,
+        (*style & Font::BOLD) ? FC_WEIGHT_BOLD : FC_WEIGHT_NORMAL);
+  }
 
   FcConfigSubstitute(NULL, pattern, FcMatchPattern);
   FcDefaultSubstitute(pattern);
@@ -101,7 +109,8 @@ bool QueryFontconfig(const std::vector<std::string>* family_list,
 
 // Initializes |params| with the system's default settings.
 void LoadDefaults(FontRenderParams* params, bool for_web_contents) {
-  *params = GetCustomFontRenderParams(for_web_contents, NULL, NULL, NULL, NULL);
+  *params = GetCustomFontRenderParams(
+      for_web_contents, NULL, NULL, NULL, NULL, NULL);
 }
 
 }  // namespace
@@ -129,6 +138,7 @@ FontRenderParams GetCustomFontRenderParams(
     const std::vector<std::string>* family_list,
     const int* pixel_size,
     const int* point_size,
+    const int* style,
     std::string* family_out) {
   if (family_out)
     family_out->clear();
@@ -138,7 +148,8 @@ FontRenderParams GetCustomFontRenderParams(
   const LinuxFontDelegate* delegate = LinuxFontDelegate::instance();
   if (delegate)
     params = delegate->GetDefaultFontRenderParams();
-  QueryFontconfig(family_list, pixel_size, point_size, &params, family_out);
+  QueryFontconfig(
+      family_list, pixel_size, point_size, style, &params, family_out);
 
   // Fontconfig doesn't support configuring subpixel positioning; check a flag.
   params.subpixel_positioning = CommandLine::ForCurrentProcess()->HasSwitch(