Move the user agent styles sheets to blink_resources.grd (Part 1) with conditional includes

public/blink_resources.grd

Index: public/blink_resources.grd
diff --git a/public/blink_resources.grd b/public/blink_resources.grd
index 7dc0f15a6d3fd8f6b8ee871a508588bbafb0babc..40c0d54d20063a136ef72c4d1cff5451c3556b1f 100644
--- a/public/blink_resources.grd
+++ b/public/blink_resources.grd
@@ -13,18 +13,24 @@
       <include name="IDR_UASTYLE_QUIRKS_CSS" file="../Source/core/css/quirks.css" type="BINDATA"/>
       <include name="IDR_UASTYLE_VIEW_SOURCE_CSS" file="../Source/core/css/view-source.css" type="BINDATA"/>
       <include name="IDR_UASTYLE_THEME_CHROMIUM_CSS" file="../Source/core/css/themeChromium.css" type="BINDATA"/>
-      <include name="IDR_UASTYLE_THEME_CHROMIUM_ANDROID_CSS" file="../Source/core/css/themeChromiumAndroid.css" type="BINDATA"/>
-      <include name="IDR_UASTYLE_THEME_CHROMIUM_LINUX_CSS" file="../Source/core/css/themeChromiumLinux.css" type="BINDATA"/>
+      <if expr="is_android">
+        <include name="IDR_UASTYLE_THEME_CHROMIUM_ANDROID_CSS" file="../Source/core/css/themeChromiumAndroid.css" type="BINDATA"/>
+        <include name="IDR_UASTYLE_MEDIA_CONTROLS_ANDROID_CSS" file="../Source/core/css/mediaControlsAndroid.css" type="BINDATA"/>
+      </if>
+      <if expr="not is_win">
+        <include name="IDR_UASTYLE_THEME_CHROMIUM_LINUX_CSS" file="../Source/core/css/themeChromiumLinux.css" type="BINDATA"/>
+      </if>
+      <if expr="is_macosx">
+        <include name="IDR_UASTYLE_THEME_MAC_CSS" file="../Source/core/css/themeMac.css" type="BINDATA"/>
+      </if>
       <include name="IDR_UASTYLE_THEME_CHROMIUM_SKIA_CSS" file="../Source/core/css/themeChromiumSkia.css" type="BINDATA"/>
       <include name="IDR_UASTYLE_THEME_INPUT_MULTIPLE_FIELDS_CSS" file="../Source/core/css/themeInputMultipleFields.css" type="BINDATA"/>
-      <include name="IDR_UASTYLE_THEME_MAC_CSS" file="../Source/core/css/themeMac.css" type="BINDATA"/>
       <include name="IDR_UASTYLE_THEME_WIN_CSS" file="../Source/core/css/themeWin.css" type="BINDATA"/>
       <include name="IDR_UASTYLE_THEME_WIN_QUIRKS_CSS" file="../Source/core/css/themeWinQuirks.css" type="BINDATA"/>
       <include name="IDR_UASTYLE_SVG_CSS" file="../Source/core/css/svg.css" type="BINDATA"/>
       <include name="IDR_UASTYLE_NAVIGATION_TRANSITIONS_CSS" file="../Source/core/css/navigationTransitions.css" type="BINDATA"/>
       <include name="IDR_UASTYLE_MATHML_CSS" file="../Source/core/css/mathml.css" type="BINDATA"/>
       <include name="IDR_UASTYLE_MEDIA_CONTROLS_CSS" file="../Source/core/css/mediaControls.css" type="BINDATA"/>
-      <include name="IDR_UASTYLE_MEDIA_CONTROLS_ANDROID_CSS" file="../Source/core/css/mediaControlsAndroid.css" type="BINDATA"/>
       <include name="IDR_UASTYLE_FULLSCREEN_CSS" file="../Source/core/css/fullscreen.css" type="BINDATA"/>
       <include name="IDR_UASTYLE_XHTMLMP_CSS" file="../Source/core/css/xhtmlmp.css" type="BINDATA"/>
       <include name="IDR_UASTYLE_VIEWPORT_ANDROID_CSS" file="../Source/core/css/viewportAndroid.css" type="BINDATA"/>