Web UI: Add preprocess=true for some v3 files

Add preprocess=true for some Polymer 3 Web UI/settings files that use
<if expr>.

Bug: 1026426
Change-Id: If89264703c33983570e4733d4ea4a5927effb81f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2040530Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#738759}

chrome/browser/resources/settings/settings_resources_v3.grdp

@@ -63,6 +63,7 @@
   <include name="IDR_SETTINGS_PAGE_VISIBILITY_M_JS"
            file="${root_gen_dir}/chrome/browser/resources/settings/page_visibility.m.js"
            use_base_dir="false"
+           preprocess="true"
            type="BINDATA" />
   <include name="IDR_SETTINGS_PREFS_PREFS_TYPES_M_JS"
            file="${root_gen_dir}/chrome/browser/resources/settings/prefs/prefs_types.m.js"

ui/webui/resources/cr_components/cr_components_resources_v3.grdp

@@ -4,6 +4,7 @@
          file="${root_gen_dir}/ui/webui/resources/cr_components/managed_footnote/managed_footnote.m.js"
          use_base_dir="false"
          type="BINDATA"
+         preprocess="true"
          compress="gzip" />
   <if expr="chromeos">
     <include name="IDR_WEBUI_CHROMEOS_SMB_SHARES_ADD_SMB_SHARE_DIALOG_M_JS"

ui/webui/resources/cr_elements_resources_v3.grdp

@@ -223,6 +223,7 @@
   <include name="IDR_CR_ELEMENTS_ICONS_M_JS"
          file="${root_gen_dir}/ui/webui/resources/cr_elements/icons.m.js"
          use_base_dir="false"
+         preprocess="true"
          type="BINDATA"
          compress="gzip" />
   <include name="IDR_CR_ELEMENTS_SEARCH_HIGHLIGHT_STYLE_CSS_M_JS"