Add spell checker support

Integrate chromium spell checker:
* add spellchecker and dependencies to build
* underline misspelled words in html text areas
* right-click context menu shows up to 4 options to
  correct the misspelled word
* toggle spell check from context menu
* add new qml and widget api calls to qwebengineprofile
  to enable/disable spell check, select spell check language,
  get list of supported languages/dictionaries
* register new qml spell check properties for QtWebEngine 1.3
* CONFIG+="no_spellcheck" to remove spellcheck support

Change-Id: Ie61434ab9493597d7759a6f33794f6859c4e3a4c
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/core/type_conversion.h b/src/core/type_conversion.h
index e203697c0..0f3357948 100644
--- a/src/core/type_conversion.h
+++ b/src/core/type_conversion.h
@@ -250,6 +250,17 @@ inline std::vector<T> toVector(const QStringList &fileList)
 
 int flagsFromModifiers(Qt::KeyboardModifiers modifiers);
 
+#if defined(ENABLE_SPELLCHECK)
+inline QStringList fromVector(const std::vector<base::string16> &vector)
+{
+    QStringList result;
+    for (auto s: vector) {
+      result.append(toQt(s));
+    }
+    return result;
+}
+#endif
+
 } // namespace QtWebEngineCore
 
 #endif // TYPE_CONVERSION_H