[GTK][WPE] Enable interactive forms validation by default

https://bugs.webkit.org/show_bug.cgi?id=177737

Reviewed by Michael Catanzaro.

It's currently disabled for no reason.

* Shared/WebPreferencesDefinitions.h:

Canonical link: https://commits.webkit.org/193991@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@222708 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Source/WebKit/ChangeLog

@@ -1,3 +1,14 @@
+2017-10-02  Carlos Garcia Campos  <cgarcia@igalia.com>
+
+        [GTK][WPE] Enable interactive forms validation by default
+        https://bugs.webkit.org/show_bug.cgi?id=177737
+
+        Reviewed by Michael Catanzaro.
+
+        It's currently disabled for no reason.
+
+        * Shared/WebPreferencesDefinitions.h:
+
 2017-10-02  Michael Catanzaro  <mcatanzaro@igalia.com>
 
         Remove ENABLE_CSS_REGIONS

Source/WebKit/Shared/WebPreferencesDefinitions.h

@@ -57,12 +57,6 @@
 #define DEFAULT_PDFPLUGIN_ENABLED false
 #endif
 
-#if PLATFORM(COCOA)
-#define DEFAULT_HTML_INTERACTIVE_FORM_VALIDATION_ENABLED true
-#else
-#define DEFAULT_HTML_INTERACTIVE_FORM_VALIDATION_ENABLED false
-#endif
-
 #if PLATFORM(IOS)
 #define DEFAULT_ALLOWS_PICTURE_IN_PICTURE_MEDIA_PLAYBACK true
 #define DEFAULT_BACKSPACE_KEY_NAVIGATION_ENABLED false
@@ -294,7 +288,7 @@
     macro(EncryptedMediaAPIEnabled, encryptedMediaAPIEnabled, Bool, bool, false, "", "") \
     macro(MediaPreloadingEnabled, mediaPreloadingEnabled, Bool, bool, false, "", "") \
     macro(IntersectionObserverEnabled, intersectionObserverEnabled, Bool, bool, false, "Intersection Observer", "Enable Intersection Observer support") \
-    macro(InteractiveFormValidationEnabled, interactiveFormValidationEnabled, Bool, bool, DEFAULT_HTML_INTERACTIVE_FORM_VALIDATION_ENABLED, "HTML Interactive Form Validation", "HTML interactive form validation") \
+    macro(InteractiveFormValidationEnabled, interactiveFormValidationEnabled, Bool, bool, true, "HTML Interactive Form Validation", "HTML interactive form validation") \
     macro(ShouldSuppressKeyboardInputDuringProvisionalNavigation, shouldSuppressKeyboardInputDuringProvisionalNavigation, Bool, bool, false, "", "") \
     macro(CSSGridLayoutEnabled, cssGridLayoutEnabled, Bool, bool, true, "CSS Grid", "CSS Grid Layout Module support") \
     macro(GamepadsEnabled, gamepadsEnabled, Bool, bool, true, "Gamepads", "Web Gamepad API support") \