Make shelf risk description strings match download page strings

chrome/app/google_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file contains definitions of strings that are specific to
 Google Chrome. These strings will be translated for each locale that Google
 Chrome supports. If you update this file, be sure also to update
 chromium_strings.grd. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       output_all_resource_defines="false" source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/google_chrome_strings.h" type="rc_header">
@@ skipping 526 matching lines @@
       </message>
 
       <!-- Download Shelf Items -->
       <message name="IDS_DOWNLOAD_STATUS_CRX_INSTALL_RUNNING"
                desc="Message shown when a CRX has been downloaded and is being unpacked.">
         Adding to Chrome...
       </message>
 
       <message name="IDS_PROMPT_DOWNLOAD_CHANGES_SETTINGS"
                desc="Message shown on the download shelf when the download is known to change settings in the browser.">
-        <ph name="FILE_NAME">$1<ex>bla.exe</ex></ph> may harm your browsing experience, so Chrome has blocked it.
+        <ph name="FILE_NAME">$1<ex>bla.exe</ex></ph> may be dangerous, so Chrome has blocked it.
       </message>
 
       <message name="IDS_PROMPT_MALICIOUS_DOWNLOAD_URL"
          desc="Message shown to the user to validate the download when the download url is classified to lead to malware by the safebrowsing database.">
-        This file is malicious, and Chrome has blocked it.
+        This file is dangerous, so Chrome has blocked it.
       </message>
       <message name="IDS_PROMPT_MALICIOUS_DOWNLOAD_CONTENT"
          desc="Message shown to the user to validate the download when the download content is classified to lead to malware by safebrowsing.">
-        <ph name="FILE_NAME">$1<ex>malware.exe</ex></ph> is malicious, and Chrome has blocked it.
+        <ph name="FILE_NAME">$1<ex>malware.exe</ex></ph> is dangerous, so Chrome has blocked it.
       </message>
       <message name="IDS_BLOCK_REASON_DANGEROUS_DOWNLOAD"
          desc="Message shown to the user on chrome://downloads page to explain that this download is blocked because it is malware.">
         This file is dangerous, so Chrome has blocked it.
       </message>
       <message name="IDS_BLOCK_REASON_UNWANTED_DOWNLOAD"
          desc="Message shown to the user on chrome://downloads page to explain that this download is blocked because it is unwanted sofware.">
         This file may be dangerous, so Chrome has blocked it.
       </message>
 
@@ skipping 731 matching lines @@
       <message name="IDS_PRIVATE_USER_DATA_INPUT_FUTURE_DESCRIPTION" desc="Description of a security problem where the site collects private user data on an insecure page, which will result in an omnibox warning in future versions of Chrome." translateable="false">
         This page includes a password or credit card input over HTTP. A warning will appear in the URL bar starting in Chrome 56 (Jan 2017).
       </message>
       <message name="IDS_PRIVATE_USER_DATA_INPUT_DESCRIPTION" desc="Description of a security problem where the site collects private user data on an insecure page, which results in an omnibox warning." translateable="false">
         This page includes a password or credit card input over HTTP. A warning has been added the URL bar.
       </message>
 
     </messages>
   </release>
 </grit>