Allow default font size changing on Linux.

content/renderer/render_view_linux.cc

Index: content/renderer/render_view_linux.cc
diff --git a/content/renderer/render_view_linux.cc b/content/renderer/render_view_linux.cc
index f4ef02e743577ae6aea983313dc4e876b9f77b26..9c93d1bb365b27c7c57e5c6611d2e04fa8781988 100644
--- a/content/renderer/render_view_linux.cc
+++ b/content/renderer/render_view_linux.cc
@@ -13,6 +13,8 @@ namespace content {
 
 namespace {
 
+const int kMaxDefaultFontSize = 999;
+
 SkPaint::Hinting RendererPreferencesToSkiaHinting(
     const RendererPreferences& prefs) {
   if (!prefs.should_antialias_text) {
@@ -90,6 +92,9 @@ void RenderViewImpl::UpdateFontRenderingFromRendererPrefs() {
       prefs.subpixel_rendering !=
       gfx::FontRenderParams::SUBPIXEL_RENDERING_NONE);
   WebFontRendering::setSubpixelPositioning(prefs.use_subpixel_positioning);
+  if (prefs.default_font_size > 0 &&
+      prefs.default_font_size <= kMaxDefaultFontSize)

[jochen (gone - plz use gerrit), 2014/10/15 15:27:40]

nit add { }

+    WebFontRendering::setDefaultFontSize(prefs.default_font_size);
 }
 
 }  // namespace content