Auto merge of #14193 - UK992:win-cleanup, r=vvuk

Various cleanup

<!-- Please describe your changes on the following line: -->
Reduces msi file size from 102 MB to 94 MB and installation size from 394 MB to 334 MB.

---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: -->
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors

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components/gfx/platform/dummy/font.rs

@@ -1,80 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-use app_units::Au;
-use font::{FontHandleMethods, FontMetrics, FontTableMethods};
-use font::{FontTableTag, FractionalPixel};
-use platform::font_context::FontContextHandle;
-use platform::font_template::FontTemplateData;
-use std::sync::Arc;
-use style::computed_values::{font_stretch, font_weight};
-use text::glyph::GlyphId;
-
-#[derive(Debug)]
-pub struct FontTable {
-    buffer: Vec<u8>,
-}
-
-impl FontTableMethods for FontTable {
-    fn buffer(&self) -> &[u8] {
-        &self.buffer
-    }
-}
-
-#[derive(Debug)]
-pub struct FontHandle {
-    handle: FontContextHandle,
-}
-
-impl Drop for FontHandle {
-    fn drop(&mut self) {
-    }
-}
-
-impl FontHandleMethods for FontHandle {
-    fn new_from_template(fctx: &FontContextHandle,
-                         template: Arc<FontTemplateData>,
-                         pt_size: Option<Au>)
-                         -> Result<FontHandle, ()> {
-        Err(())
-    }
-
-    fn template(&self) -> Arc<FontTemplateData> {
-        unimplemented!()
-    }
-    fn family_name(&self) -> String {
-        String::from("Unknown")
-    }
-    fn face_name(&self) -> String {
-        String::from("Unknown")
-    }
-    fn is_italic(&self) -> bool {
-        false
-    }
-    fn boldness(&self) -> font_weight::T {
-        font_weight::T::Weight400
-    }
-    fn stretchiness(&self) -> font_stretch::T {
-        font_stretch::T::normal
-    }
-    fn glyph_index(&self, codepoint: char) -> Option<GlyphId> {
-        None
-    }
-    fn glyph_h_kerning(&self, first_glyph: GlyphId, second_glyph: GlyphId)
-                       -> FractionalPixel {
-        0.0
-    }
-    fn can_do_fast_shaping(&self) -> bool {
-        false
-    }
-    fn glyph_h_advance(&self, glyph: GlyphId) -> Option<FractionalPixel> {
-        None
-    }
-    fn metrics(&self) -> FontMetrics {
-        unimplemented!()
-    }
-    fn table_for_tag(&self, tag: FontTableTag) -> Option<FontTable> {
-        None
-    }
-}

components/gfx/platform/dummy/font_context.rs

@@ -1,13 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#[derive(Clone, HeapSizeOf, Debug)]
-pub struct FontContextHandle;
-
-impl FontContextHandle {
-    pub fn new() -> FontContextHandle {
-        FontContextHandle
-    }
-}
-

components/gfx/platform/dummy/font_list.rs

@@ -1,24 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-pub fn for_each_available_family<F>(mut callback: F) where F: FnMut(String)
-{
-}
-
-pub fn for_each_variation<F>(family_name: &str, mut callback: F)
-    where F: FnMut(String)
-{
-}
-
-pub fn system_default_family(generic_name: &str) -> Option<String> {
-    None
-}
-
-pub fn last_resort_font_families() -> Vec<String> {
-    vec!(
-        "Unknown".to_owned()
-    )
-}
-
-pub static SANS_SERIF_FONT_FAMILY: &'static str = "Unknown";

components/gfx/platform/dummy/font_template.rs

@@ -1,40 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-use servo_atoms::Atom;
-use std::io::Error;
-use webrender_traits::NativeFontHandle;
-
-#[derive(Deserialize, Serialize, Debug)]
-pub struct FontTemplateData {
-    pub bytes: Vec<u8>,
-    pub identifier: Atom,
-}
-
-impl FontTemplateData {
-    pub fn new(identifier: Atom, font_data: Option<Vec<u8>>) -> Result<FontTemplateData, Error> {
-        let bytes = match font_data {
-            Some(bytes) => {
-                bytes
-            },
-            None => {
-                unimplemented!()
-            }
-        };
-
-        Ok(FontTemplateData {
-            bytes: bytes,
-            identifier: identifier,
-        })
-    }
-    pub fn bytes(&self) -> Vec<u8> {
-        self.bytes.clone()
-    }
-    pub fn bytes_if_in_memory(&self) -> Option<Vec<u8>> {
-        Some(self.bytes())
-    }
-    pub fn native_font(&self) -> Option<NativeFontHandle> {
-        None
-    }
-}