Implement additional UI changes for dangerous download warnings.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index a915f9d091c317b701d208fc361a14b101bd4e5d..1c818b4d272028cb294c8182b7806d6b82918d96 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -2328,11 +2328,11 @@ are declared in build/common.gypi.
       </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. Do you want to keep it anyway?
+        This file appears malicious.
       </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.">
-        This file is malicious. Do you want to keep <ph name="FILE_NAME">$1<ex>malware.exe</ex></ph> anyway?
+        <ph name="FILE_NAME">$1<ex>malware.exe</ex></ph> appears malicious.
       </message>
       <message name="IDS_CONFIRM_DOWNLOAD"
                desc="Text for the button used to validate the downloading of a dangerous download.">
@@ -2449,6 +2449,18 @@ are declared in build/common.gypi.
                  desc="Download context menu resume download">
           &amp;Resume
         </message>
+        <message name="IDS_DOWNLOAD_MENU_DISCARD"
+                 desc="Download context menu discard malicious download">
+          &amp;Discard
+        </message>
+        <message name="IDS_DOWNLOAD_MENU_KEEP"
+                 desc="Download context menu keep malicious download">
+          &amp;Keep
+        </message>
+        <message name="IDS_DOWNLOAD_MENU_LEARN_MORE"
+                 desc="Download context menu show information about download scanning">
+          &amp;Learn more
+        </message>
       </if>
       <if expr="pp_ifdef('use_titlecase')">
         <message name="IDS_DOWNLOAD_MENU_OPEN_WHEN_COMPLETE"
@@ -2475,6 +2487,18 @@ are declared in build/common.gypi.
                  desc="In Title Case: Download context menu resume download">
           &amp;Resume
         </message>
+        <message name="IDS_DOWNLOAD_MENU_DISCARD"
+                 desc="In Title Case: Download context menu discard malicious download">
+          &amp;Discard
+        </message>
+        <message name="IDS_DOWNLOAD_MENU_KEEP"
+                 desc="In Title Case: Download context menu keep malicious download">
+          &amp;Keep
+        </message>
+        <message name="IDS_DOWNLOAD_MENU_LEARN_MORE"
+                 desc="In Title Case: Download context menu show information about download scanning">
+          &amp;Learn More
+        </message>
       </if>
       <!-- GRIT doesn't support nesting <if>...</if> blocks, so these can't -->
       <!-- go within the above titlecase checks, instead markup must use    -->