Revert of Remove NPAPI plugin from chromoting webapp.

remoting/resources/remoting_strings.grd

Index: remoting/resources/remoting_strings.grd
diff --git a/remoting/resources/remoting_strings.grd b/remoting/resources/remoting_strings.grd
index f508a1736a5ffb6745cbc8ed6e7e1d2a51ec0cd4..3f38358caef9c911d45cc679a25d24fe2d26fc3a 100644
--- a/remoting/resources/remoting_strings.grd
+++ b/remoting/resources/remoting_strings.grd
@@ -214,7 +214,7 @@
         <message desc="Error displayed if authentication fails. This can be caused by stale credentials, in which logging out of the web-app and retrying can fix the problem." name="IDS_ERROR_AUTHENTICATION_FAILED" formatter_data="android_java">
           Authentication failed. Please sign in to Chrome Remote Desktop again.
         </message>
-        <message desc="Error displayed if the client plugin are missing or if they could not be loaded." name="IDS_ERROR_BAD_PLUGIN_VERSION">
+        <message desc="Error displayed if the host or client plugin are missing or if they could not be loaded." name="IDS_ERROR_BAD_PLUGIN_VERSION">
           Some components required for Chrome Remote Desktop are missing. Please make sure you have installed the latest version and try again.
         </message>
         <message desc="Error that is shown on the client side when incompatible Chrome Remote Desktop versions are installed on host and client." name="IDS_ERROR_INCOMPATIBLE_PROTOCOL" formatter_data="android_java">
@@ -279,6 +279,9 @@
         </message>
         <message name="IDS_VERIFY_PIN_DIALOG_MESSAGE" desc="The message displayed by the PIN verification dialog.">
           Please confirm your account and PIN below to allow access by Chrome Remote Desktop.
+        </message>
+        <message name="IDS_REMOTING_HOST_PLUGIN_NAME" desc="Name of Chrome Remote Desktop Host plugin displayed by Chrome at about:plugins.">
+          Chrome Remote Desktop Host
         </message>
         <message name="IDS_MAC_PREFPANE_BUNDLE_NAME" desc="The bundle name specified in the property list of Chrome Remote Desktop Host Preferences bundle on MacOS.">
           Chrome Remote Desktop Host Preferences
@@ -316,7 +319,7 @@
         <message desc="Error displayed if authentication fails. This can be caused by stale credentials, in which logging out of the web-app and retrying can fix the problem." name="IDS_ERROR_AUTHENTICATION_FAILED" formatter_data="android_java">
           Authentication failed. Please sign in to Chromoting again.
         </message>
-        <message desc="Error displayed if the client plugin are missing or if they could not be loaded." name="IDS_ERROR_BAD_PLUGIN_VERSION">
+        <message desc="Error displayed if the host or client plugin are missing or if they could not be loaded." name="IDS_ERROR_BAD_PLUGIN_VERSION">
           Some components required for Chromoting are missing. Please make sure you have installed the latest version and try again.
         </message>
         <message desc="Error that is shown on the client side when incompatible Chromoting versions are installed on host and client." name="IDS_ERROR_INCOMPATIBLE_PROTOCOL" formatter_data="android_java">
@@ -381,6 +384,9 @@
         </message>
         <message name="IDS_VERIFY_PIN_DIALOG_MESSAGE" desc="The message displayed by the PIN verification dialog.">
           Please confirm your account and PIN below to allow access by Chromoting.
+        </message>
+        <message name="IDS_REMOTING_HOST_PLUGIN_NAME" desc="Name of Chromoting Host plugin displayed by Chrome at about:plugins.">
+          Chromoting Host
         </message>
         <message name="IDS_MAC_PREFPANE_BUNDLE_NAME" desc="The bundle name specified in the property list of Chromoting Host Preferences bundle on MacOS.">
           Chromoting Host Preferences
@@ -773,6 +779,9 @@
       <message name="IDS_REMOTING_HOST_DESCRIPTION" desc="The file description specified in the version information of remoting_host.exe.">
         Host Process
       </message>
+      <message name="IDS_REMOTING_HOST_PLUGIN_DESCRIPTION" desc="The file description specified in the version information of remoting_host_plugin.dll.">
+        Allow another user to access your computer securely over the Internet.
+      </message>
       <message name="IDS_REMOTING_NATIVE_MESSAGING_HOST_DESCRIPTION" desc="The file description specified in the version information of remoting_native_messaging_host.exe.">
         Native messaging host for remoting host management
       </message>