WebUI cleanup: Remove more unused strings from old Options page.

Bug: 771795
Change-Id: Ie6aa2ede841a29f1e68e29ae1e3bd832abdb28b8
Reviewed-on: https://chromium-review.googlesource.com/1008069Reviewed-by: Devlin <rdevlin.cronin@chromium.org>
Commit-Queue: Demetrios Papadopoulos <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#550018}

chrome/app/chromium_strings.grd

@@ -278,16 +278,6 @@ If you update this file, be sure also to update google_chrome_strings.grd. -->
           Chromium OS can't open this page.
         </message>
       </if>
-      <if expr="not chromeos">
-        <message name="IDS_OPTIONS_RELAUNCH_REQUIRED" desc="The message displayed for an option that requires a relaunch to take effect. This appears in a message box if an option is changed that requires a relaunch.">
-          Please close all Chromium windows and relaunch Chromium for this change to take effect.
-        </message>
-      </if>
-      <if expr="chromeos">
-        <message name="IDS_OPTIONS_RELAUNCH_REQUIRED" desc="The message displayed for an option that requires a relaunch to take effect. This appears in a message box if an option is changed that requires a relaunch.">
-          Please sign out and sign in again for this change to take effect.
-        </message>
-      </if>
       <if expr="use_titlecase">
         <message name="IDS_STATUS_TRAY_KEEP_CHROME_RUNNING_IN_BACKGROUND" desc="In Title Case: The checkbox in the status tray context menu that controls whether chrome keeps running in the background after the last window is closed">
           Let Chromium Run in the Background
@@ -298,15 +288,6 @@ If you update this file, be sure also to update google_chrome_strings.grd. -->
           Let Chromium run in the background
         </message>
       </if>
-      <message name="IDS_OPTIONS_SYSTEM_ENABLE_BACKGROUND_MODE" desc="The label of the check-box that enables background mode">
-        Continue running background apps when Chromium is closed
-      </message>
-      <message name="IDS_OPTIONS_SYSTEM_ENABLE_HARDWARE_ACCELERATION_MODE" desc="The label of the check-box that enables hardware acceleration mode">
-        Use hardware acceleration when available
-      </message>
-      <message name="IDS_OPTIONS_SYSTEM_ENABLE_HARDWARE_ACCELERATION_MODE_RESTART" desc="The restart string after changing hardware acceleration mode">
-        (requires Chromium <ph name="BEGIN_BUTTON">&lt;a is="action-link" role="button" id="gpu-mode-reset-restart-button" class="standalone-action-link"&gt;</ph>restart<ph name="END_BUTTON">&lt;/a&gt;</ph>)
-      </message>
       <message name="IDS_CANT_WRITE_USER_DIRECTORY_SUMMARY" desc="Summary of problem displayed in dialog when we can't create a directory for this user.">
 Chromium cannot read and write to its data directory:
 
@@ -781,12 +762,6 @@ Signing in anyway will merge Chromium information like bookmarks, history, and o
         </message>
       </if>
 
-      <if expr="is_macosx">
-        <message name="IDS_OPTIONS_PASSWORDS_MAC_WARNING" desc="The warning for OS X that passwords are shared across profiles in the keychain.">
-          On Mac, passwords may be saved to your Keychain and accessed or synced by other Chromium users sharing this OS X account.
-        </message>
-      </if>
-
       <message name="IDS_AUTOFILL_DIALOG_SAVE_LOCALLY_CHECKBOX" desc="Checkbox that controls whether info the user types into the autofill dialog is saved by chrome.">
         Save details in Chromium
       </message>

chrome/app/google_chrome_strings.grd

@@ -288,16 +288,6 @@ chromium_strings.grd. -->
           Google Chrome OS can't open this page.
         </message>
       </if>
-      <if expr="not chromeos">
-        <message name="IDS_OPTIONS_RELAUNCH_REQUIRED" desc="The message displayed for an option that requires a relaunch to take effect. This appears in a message box if an option is changed that requires a relaunch.">
-          Please close all Google Chrome windows and relaunch it for this change to take effect.
-        </message>
-      </if>
-      <if expr="chromeos">
-        <message name="IDS_OPTIONS_RELAUNCH_REQUIRED" desc="The message displayed for an option that requires a relaunch to take effect. This appears in a message box if an option is changed that requires a relaunch.">
-          Please sign out and sign in again for this change to take effect.
-        </message>
-      </if>
       <if expr="use_titlecase">
         <message name="IDS_STATUS_TRAY_KEEP_CHROME_RUNNING_IN_BACKGROUND" desc="In Title Case: The checkbox in the status tray context menu that controls whether chrome keeps running in the background after the last window is closed">
           Let Google Chrome Run in the Background
@@ -308,15 +298,6 @@ chromium_strings.grd. -->
           Let Google Chrome run in the background
         </message>
       </if>
-      <message name="IDS_OPTIONS_SYSTEM_ENABLE_BACKGROUND_MODE" desc="The label of the check-box that enables background mode">
-        Continue running background apps when Google Chrome is closed
-      </message>
-      <message name="IDS_OPTIONS_SYSTEM_ENABLE_HARDWARE_ACCELERATION_MODE" desc="The label of the check-box that enables hardware acceleration mode">
-        Use hardware acceleration when available
-      </message>
-      <message name="IDS_OPTIONS_SYSTEM_ENABLE_HARDWARE_ACCELERATION_MODE_RESTART" desc="The restart string after changing hardware acceleration mode">
-        (requires Chrome <ph name="BEGIN_BUTTON">&lt;a is="action-link" role="button" id="gpu-mode-reset-restart-button" class="standalone-action-link"&gt;</ph>restart<ph name="END_BUTTON">&lt;/a&gt;</ph>)
-      </message>
       <message name="IDS_CANT_WRITE_USER_DIRECTORY_SUMMARY" desc="Summary of problem displayed in dialog when we can't create a directory for this user.">
 Google Chrome cannot read and write to its data directory:
 
@@ -789,12 +770,6 @@ Signing in anyway will merge Chrome information like bookmarks, history, and oth
         </message>
       </if>
 
-      <if expr="is_macosx">
-        <message name="IDS_OPTIONS_PASSWORDS_MAC_WARNING" desc="The warning for OS X that passwords are shared across profiles in the keychain.">
-          On Mac, passwords may be saved to your Keychain and accessed or synced by other Chrome users sharing this OS X account.
-        </message>
-      </if>
-
       <message name="IDS_AUTOFILL_DIALOG_SAVE_LOCALLY_CHECKBOX" desc="Checkbox that controls whether info the user types into the autofill dialog is saved by chrome.">
         Save details in Chrome
       </message>