Use brotli to compress ink resources on ChromeOS

This CL reduces the size of ChromeOS resources.pak by 996kiB.

One resource wasn't compressed at all, which accounts for 165kiB
of the savings.

Bug: 1015978
Change-Id: Iab7084e57446549187fc22a428e435e39856d267
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1918786Reviewed-by: dstockwell <dstockwell@chromium.org>
Commit-Queue: Trent Apted <tapted@chromium.org>
Cr-Commit-Position: refs/heads/master@{#715592}

third_party/ink/BUILD.gn

@@ -8,6 +8,8 @@ if (is_chromeos) {
   grit("ink_resources") {
     source = "ink_resources.grd"
 
+    use_brotli = true
+
     outputs = [
       "grit/ink_resources.h",
       "grit/ink_resources_map.cc",

third_party/ink/ink_resources.grd

@@ -13,9 +13,9 @@
       <if expr="chromeos">
         <include name="IDR_INK_LIB_BINARY_JS" file="build/ink_lib_binary.js" type="BINDATA" />
         <include name="IDR_INK_PTHREAD_MAIN_JS" file="build/wasm-threads/pthread-main.js" type="BINDATA" />
-        <include name="IDR_INK_GLCORE_BASE_WASM" file="build/wasm-threads/glcore_base.wasm" compress="gzip" type="BINDATA" />
-        <include name="IDR_INK_GLCORE_BASE_JS_MEM" file="build/wasm-threads/glcore_base.js.mem" compress="gzip" type="BINDATA" />
-        <include name="IDR_INK_GLCORE_WASM_BOOTSTRAP_COMPILED_JS" file="build/wasm-threads/glcore_wasm_bootstrap_compiled.js" type="BINDATA" />
+        <include name="IDR_INK_GLCORE_BASE_WASM" file="build/wasm-threads/glcore_base.wasm" compress="brotli" type="BINDATA" />
+        <include name="IDR_INK_GLCORE_BASE_JS_MEM" file="build/wasm-threads/glcore_base.js.mem" compress="brotli" type="BINDATA" />
+        <include name="IDR_INK_GLCORE_WASM_BOOTSTRAP_COMPILED_JS" file="build/wasm-threads/glcore_wasm_bootstrap_compiled.js" compress="brotli" type="BINDATA" />
       </if>
     </includes>
   </release>