Adapt the linux about_memory page to better render on Android.

chrome/app/chromium_strings.grd

Index: chrome/app/chromium_strings.grd
diff --git a/chrome/app/chromium_strings.grd b/chrome/app/chromium_strings.grd
index 0d815a68dc3a33f8282a38e3953303fb4731e157..6b94b9041afd06685abef0f80d88119a36e6c914 100644
--- a/chrome/app/chromium_strings.grd
+++ b/chrome/app/chromium_strings.grd
@@ -641,6 +641,13 @@ Chromium is unable to recover your settings.
          Chromium is no longer updating because your operating system is obsolete.
       </message>
 
+      <!-- about:memory -->
+      <if expr="pp_ifdef('android')">
+        <message name="IDS_MEMORY_USAGE_SUMMARY_DESC" desc="Describes the browser summary table in the about memory page, which shows memory usage for Chromium.">
+          Summary of memory used by Chromium. Since Chromium uses multiple processes, memory reflects aggregate memory used across all browser processes.<ph name="BEGIN_PARAGRAPH">&lt;p&gt;</ph>For Chromium, processes used to display diagnostics information (such as this "about:memory") are excluded.<ph name="END_PARAGRAPH">&lt;/p&gt;</ph>
+        </message>
+      </if>
+
       <!-- About Chrome page -->
       <if expr="not pp_ifdef('chromeos')">
         <message name="IDS_UPGRADE_SUCCESSFUL" desc="Status label: Successfully upgraded Chromium">