[iOS][Safety Check] Add new default strings for Safety Check

Adds new default strings to safety check so that rows don't resize.

Running state keeps the same detail text as the previous state.

Bug: 1078782
Change-Id: Iffa246a5baca2b2cf8051e87cc10a1d6d80f6c2c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2443729Reviewed-by: Martin Šrámek <msramek@chromium.org>
Commit-Queue: Sean Harrison <harrisonsean@chromium.org>
Cr-Commit-Position: refs/heads/master@{#812977}

ios/chrome/app/strings/ios_chromium_strings.grd

@@ -325,6 +325,9 @@ locale.  The strings in this file are specific to iOS.
       <message name="IDS_IOS_SETTINGS_SAFETY_CHECK_PAGE_HEADER" desc="Informational header at the top of the safety check page">
         Chromium can help keep you safe from data breaches, unsafe websites and more.
       </message>
+      <message name="IDS_IOS_SETTINGS_SAFETY_CHECK_UPDATES_DESCRIPTION" desc="Description text on the update element describing what the update check does.">
+        Keep Chromium up to date
+      </message>
       <message name="IDS_IOS_SETTINGS_SAFETY_CHECK_UPDATES_CHANNEL_CANARY_DESC" desc="Description text for when the app is on Canary and unable to run the check">
         Not supported on Chromium Canary
       </message>

ios/chrome/app/strings/ios_chromium_strings_grd/IDS_IOS_SETTINGS_SAFETY_CHECK_UPDATES_DESCRIPTION.png.sha1

+0935cf19143c008554f328bad3990520df8be283
\ No newline at end of file

ios/chrome/app/strings/ios_google_chrome_strings.grd

@@ -325,6 +325,9 @@ locale.  The strings in this file are specific to iOS.
       <message name="IDS_IOS_SETTINGS_SAFETY_CHECK_PAGE_HEADER" desc="Informational header at the top of the safety check page">
         Chrome can help keep you safe from data breaches, unsafe websites and more.
       </message>
+      <message name="IDS_IOS_SETTINGS_SAFETY_CHECK_UPDATES_DESCRIPTION" desc="Description text on the update element describing what the update check does.">
+        Keep Chrome up to date
+      </message>
       <message name="IDS_IOS_SETTINGS_SAFETY_CHECK_UPDATES_CHANNEL_CANARY_DESC" desc="Description text for when the app is on Canary and unable to run the check">
         Not supported on Chrome Canary
       </message>

ios/chrome/app/strings/ios_google_chrome_strings_grd/IDS_IOS_SETTINGS_SAFETY_CHECK_UPDATES_DESCRIPTION.png.sha1

+727fadd7b29bcbfe0525ed2a2fd8ca056561f66e
\ No newline at end of file

ios/chrome/app/strings/ios_strings.grd

@@ -1795,9 +1795,15 @@ Follow the steps below:
       <message name="IDS_IOS_SETTINGS_SAFETY_CHECK_PASSWORDS_TITLE" desc="Title for the passwords element of safety check" meaning="Row title to access the passowrd check subpage if a probelm is found with user's saved passwords [CHAR_LIMIT=20]">
         Passwords
       </message>
+      <message name="IDS_IOS_SETTINGS_SAFETY_CHECK_PASSWORDS_DESCRIPTION" desc="Description text on the password element describing what the password check does.">
+        Check for compromised passwords
+      </message>
       <message name="IDS_IOS_SETTINGS_SAFETY_CHECK_SAFE_BROWSING_TITLE" desc="Title for the safe browsing element of safety check" meaning="Row title to display the user's safe browsing status [CHAR_LIMIT=20]">
         Safe Browsing
       </message>
+      <message name="IDS_IOS_SETTINGS_SAFETY_CHECK_SAFE_BROWSING_DESCRIPTION" desc="Description text on the Safe Browsing element describing what the Safe Browsing check does.">
+        Stay protected from dangerous websites
+      </message>
       <message name="IDS_IOS_SETTINGS_SAFETY_CHECK_SAFE_BROWSING_DISABLED_DESC" desc="Detail text for the Safe Browsing check if the user has Safe Browsing disabled">
         Off - Not recommended
       </message>

ios/chrome/app/strings/ios_strings_grd/IDS_IOS_SETTINGS_SAFETY_CHECK_PASSWORDS_DESCRIPTION.png.sha1

+0935cf19143c008554f328bad3990520df8be283
\ No newline at end of file

ios/chrome/app/strings/ios_strings_grd/IDS_IOS_SETTINGS_SAFETY_CHECK_SAFE_BROWSING_DESCRIPTION.png.sha1

+0935cf19143c008554f328bad3990520df8be283
\ No newline at end of file

ios/chrome/browser/ui/settings/safety_check/safety_check_mediator.mm

@@ -978,7 +978,6 @@ typedef NS_ENUM(NSInteger, CheckStartStates) {
   self.updateCheckItem.enabled = YES;
   self.updateCheckItem.indicatorHidden = YES;
   self.updateCheckItem.infoButtonHidden = YES;
-  self.updateCheckItem.detailText = nil;
   self.updateCheckItem.trailingImage = nil;
   self.updateCheckItem.trailingImageTintColor = nil;
   self.updateCheckItem.accessoryType = UITableViewCellAccessoryNone;
@@ -987,8 +986,11 @@ typedef NS_ENUM(NSInteger, CheckStartStates) {
   [self resetsCheckStartItemIfNeeded];
 
   switch (self.updateCheckRowState) {
-    case UpdateCheckRowStateDefault:
+    case UpdateCheckRowStateDefault: {
+      self.updateCheckItem.detailText =
+          GetNSString(IDS_IOS_SETTINGS_SAFETY_CHECK_UPDATES_DESCRIPTION);
       break;
+    }
     case UpdateCheckRowStateRunning: {
       self.updateCheckItem.indicatorHidden = NO;
       break;
@@ -1063,7 +1065,6 @@ typedef NS_ENUM(NSInteger, CheckStartStates) {
   self.passwordCheckItem.enabled = YES;
   self.passwordCheckItem.indicatorHidden = YES;
   self.passwordCheckItem.infoButtonHidden = YES;
-  self.passwordCheckItem.detailText = nil;
   self.passwordCheckItem.trailingImage = nil;
   self.passwordCheckItem.trailingImageTintColor = nil;
   self.passwordCheckItem.accessoryType = UITableViewCellAccessoryNone;
@@ -1072,8 +1073,11 @@ typedef NS_ENUM(NSInteger, CheckStartStates) {
   [self resetsCheckStartItemIfNeeded];
 
   switch (self.passwordCheckRowState) {
-    case PasswordCheckRowStateDefault:
+    case PasswordCheckRowStateDefault: {
+      self.passwordCheckItem.detailText =
+          GetNSString(IDS_IOS_SETTINGS_SAFETY_CHECK_PASSWORDS_DESCRIPTION);
       break;
+    }
     case PasswordCheckRowStateRunning: {
       self.passwordCheckItem.indicatorHidden = NO;
       break;
@@ -1123,7 +1127,6 @@ typedef NS_ENUM(NSInteger, CheckStartStates) {
   self.safeBrowsingCheckItem.enabled = YES;
   self.safeBrowsingCheckItem.indicatorHidden = YES;
   self.safeBrowsingCheckItem.infoButtonHidden = YES;
-  self.safeBrowsingCheckItem.detailText = nil;
   self.safeBrowsingCheckItem.trailingImage = nil;
   self.safeBrowsingCheckItem.trailingImageTintColor = nil;
   self.safeBrowsingCheckItem.accessoryType = UITableViewCellAccessoryNone;
@@ -1132,8 +1135,11 @@ typedef NS_ENUM(NSInteger, CheckStartStates) {
   [self resetsCheckStartItemIfNeeded];
 
   switch (self.safeBrowsingCheckRowState) {
-    case SafeBrowsingCheckRowStateDefault:
+    case SafeBrowsingCheckRowStateDefault: {
+      self.safeBrowsingCheckItem.detailText =
+          GetNSString(IDS_IOS_SETTINGS_SAFETY_CHECK_SAFE_BROWSING_DESCRIPTION);
       break;
+    }
     case SafeBrowsingCheckRowStateRunning: {
       self.safeBrowsingCheckItem.indicatorHidden = NO;
       break;