[Password Generation] Update popup and confirmation bubble.

BUG=318977

Review URL: https://codereview.chromium.org/646873007

Cr-Commit-Position: refs/heads/master@{#300729}

Author: gcasto

chrome/app/chromium_strings.grd

@@ -467,7 +467,7 @@ Chromium is unable to recover your settings.
       </if>
       <!-- Password generation strings -->
       <message name="IDS_PASSWORD_GENERATION_PROMPT" desc="Autofill dropdown text describing password generation. The text inside |bars| is link text.">
-        Chromium will store this in your |Google saved passwords| and autofill it for you so you don't have to remember it yourself.
+        Chromium will store this in your |Google saved passwords| and remember it the next time you need it.
       </message>
       <message name="IDS_PASSWORD_GENERATION_SUGGESTION" desc="Text shown next to a generated password describing it as a suggestion.">
         Use password generated by Chromium

chrome/app/generated_resources.grd

@@ -13047,7 +13047,7 @@ Some features may be unavailable.  Please check that the profile exists and you
       Generated password saved
     </message>
     <message name="IDS_MANAGE_PASSWORDS_CONFIRM_GENERATED_TEXT" desc="The text that is used in the manage passwords bubble when a generated password is saved. Text inside |bars| is link text.">
-      You can access it and all your |Google saved passwords| securely from any browser.
+      You can access it and all your |Google saved passwords| from any browser.
     </message>
     <message name="IDS_MANAGE_PASSWORDS_TITLE" desc="The title text that is used in the manage passwords bubble when a password is autofilled or after a user has stored a password.">
       Saved passwords for this site:

chrome/app/google_chrome_strings.grd

@@ -390,7 +390,7 @@ Google Chrome is unable to recover your settings.
       </if>
       <!-- Password generation strings -->
       <message name="IDS_PASSWORD_GENERATION_PROMPT" desc="Autofill dropdown text describing password generation. The text inside |bars| is link text.">
-        Chrome will store this in your |Google saved passwords| and autofill it for you so you don't have to remember it yourself.
+        Chrome will store this in your |Google saved passwords| and remember it the next time you need it.
       </message>
       <message name="IDS_PASSWORD_GENERATION_SUGGESTION" desc="Text shown next to a generated password describing it as a suggestion.">
         Use password generated by Chrome