Better handle safe_browsing logic in build dependencies.

chrome/browser/browser_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <grit latest_public_release="0" current_release="1" output_all_resource_defines="false">
   <outputs>
     <output filename="grit/browser_resources.h" type="rc_header">
       <emit emit_type='prepend'></emit>
     </output>
     <output filename="browser_resources.pak" type="data_package" />
   </outputs>
   <release seq="1">
     <structures>
@@ skipping 94 matching lines @@
       </if>
       <if expr="enable_printing">
         <include name="IDR_CLOUDPRINT_MANIFEST" file="resources\cloud_print_app\manifest.json" type="BINDATA" />
       </if>
       <if expr="not is_ios">
         <include name="IDR_DEVTOOLS_DISCOVERY_PAGE_HTML" file="devtools\frontend\devtools_discovery_page.html" type="BINDATA"/>
       </if>
       <include name="IDR_DOMAIN_RELIABILITY_INTERNALS_HTML" file="resources\domain_reliability_internals.html" compress="gzip" type="BINDATA" />
       <include name="IDR_DOMAIN_RELIABILITY_INTERNALS_CSS" file="resources\domain_reliability_internals.css" compress="gzip" type="BINDATA" />
       <include name="IDR_DOMAIN_RELIABILITY_INTERNALS_JS" file="resources\domain_reliability_internals.js" compress="gzip" type="BINDATA" />
-      <include name="IDR_DOWNLOAD_FILE_TYPES_PB" file="${root_gen_dir}\chrome\browser\resources\safe_browsing\download_file_types.pb" use_base_dir="false" type="BINDATA" />
+      <if expr="safe_browsing_mode != 0">

[scottmg, 2016/09/22 22:19:21]

I have no idea, but I would have just written 

  <if expr="safe_browsing_mode">

assuming that it's likely python-ish, and that looks like the other <if>
conditions nearby.

+        <include name="IDR_DOWNLOAD_FILE_TYPES_PB" file="${root_gen_dir}\chrome\browser\resources\safe_browsing\download_file_types.pb" use_base_dir="false" type="BINDATA" />
+      </if>
       <if expr="not is_android">
         <include name="IDR_MD_DOWNLOADS_1X_INCOGNITO_MARKER_PNG" file="resources\md_downloads\1x\incognito_marker.png" type="BINDATA" />
         <include name="IDR_MD_DOWNLOADS_2X_INCOGNITO_MARKER_PNG" file="resources\md_downloads\2x\incognito_marker.png" type="BINDATA" />
         <include name="IDR_MD_DOWNLOADS_1X_NO_DOWNLOADS_PNG" file="resources\md_downloads\1x\no_downloads.png" type="BINDATA" />
         <include name="IDR_MD_DOWNLOADS_2X_NO_DOWNLOADS_PNG" file="resources\md_downloads\2x\no_downloads.png" type="BINDATA" />
         <if expr="use_vulcanize">
           <then>
             <include name="IDR_MD_DOWNLOADS_CRISPER_JS" file="resources\md_downloads\crisper.js" flattenhtml="true" type="BINDATA" />
           </then>
           <else>
@@ skipping 459 matching lines @@
         <include name="IDR_CAST_FAVICON" file="resources\cast\cast_favicon.ico" type="BINDATA" />
       </if>
       <if expr="not is_android and not is_ios">
         <include name="IDR_IME_WINDOW_CLOSE" file="resources\input_ime\ime_window_close.png" type="BINDATA" />
         <include name="IDR_IME_WINDOW_CLOSE_C" file="resources\input_ime\ime_window_close_click.png" type="BINDATA" />
         <include name="IDR_IME_WINDOW_CLOSE_H" file="resources\input_ime\ime_window_close_hover.png" type="BINDATA" />
       </if>
     </includes>
   </release>
 </grit>