[ios][PhishGuard] Remove iOS-specific flag from /safe_browsing/content

Design doc: go/bling-phishguard

PASSWORD_REUSE_DETECTION_ENABLED is only defined for !is_ios.
This CL removes the use of this flag in files that are already
not compiled in iOS.

Bug: 1147962
Change-Id: I3ac6fca7db743442645ebe0bde4dda6a5a3fa554
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2543584Reviewed-by: Bettina Dea <bdea@chromium.org>
Commit-Queue: edchin <edchin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#828356}

components/safe_browsing/content/password_protection/password_protection_request.cc

@@ -593,9 +593,7 @@ void PasswordProtectionRequest::Finish(
     if (trigger_type_ == LoginReputationClientRequest::UNFAMILIAR_LOGIN_PAGE) {
       LogPasswordOnFocusRequestOutcome(outcome);
     } else {
-#if defined(PASSWORD_REUSE_DETECTION_ENABLED)
       LogPasswordEntryRequestOutcome(outcome, password_account_type);
-#endif
 
 #if defined(PASSWORD_REUSE_WARNING_ENABLED)
       if (password_type_ == PasswordType::PRIMARY_ACCOUNT_PASSWORD) {

components/safe_browsing/content/password_protection/password_protection_service.cc

@@ -113,7 +113,6 @@ void PasswordProtectionService::MaybeStartPasswordFieldOnFocusRequest(
 }
 #endif
 
-#if defined(PASSWORD_REUSE_DETECTION_ENABLED)
 void PasswordProtectionService::MaybeStartProtectedPasswordEntryRequest(
     WebContents* web_contents,
     const GURL& main_frame_url,
@@ -168,7 +167,6 @@ void PasswordProtectionService::MaybeStartProtectedPasswordEntryRequest(
   }
 #endif  // defined(PASSWORD_REUSE_WARNING_ENABLED)
 }
-#endif  // defined(PASSWORD_REUSE_DETECTION_ENABLED)
 
 #if defined(PASSWORD_REUSE_WARNING_ENABLED)
 bool PasswordProtectionService::ShouldShowModalWarning(

components/safe_browsing/content/password_protection/password_protection_service.h

@@ -119,7 +119,6 @@ class PasswordProtectionService : public history::HistoryServiceObserver {
       const std::string& hosted_domain);
 #endif
 
-#if defined(PASSWORD_REUSE_DETECTION_ENABLED)
   virtual void MaybeStartProtectedPasswordEntryRequest(
       content::WebContents* web_contents,
       const GURL& main_frame_url,
@@ -128,7 +127,6 @@ class PasswordProtectionService : public history::HistoryServiceObserver {
       const std::vector<password_manager::MatchingReusedCredential>&
           matching_reused_credentials,
       bool password_field_exists);
-#endif
 
 #if defined(PASSWORD_REUSE_WARNING_ENABLED)
   // Records a Chrome Sync event that sync password reuse was detected.