[WPE] Install files needed for WebKitWebExtensions
https://bugs.webkit.org/show_bug.cgi?id=179915

Reviewed by Žan Doberšek.

.:

* Source/cmake/OptionsWPE.cmake:

Source/WebKit:

* PlatformWPE.cmake: Install pkg-config file, injected bundle, and API headers.
* UIProcess/API/glib/WebKitWebContext.cpp: Load the injected bundle when installed.
* wpe/wpe-web-extension.pc.in: Added.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@230661 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/ChangeLog b/ChangeLog
index 4d0b959..14721d1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2018-04-15  Michael Catanzaro  <mcatanzaro@igalia.com>
+
+        [WPE] Install files needed for WebKitWebExtensions
+        https://bugs.webkit.org/show_bug.cgi?id=179915
+
+        Reviewed by Žan Doberšek.
+
+        * Source/cmake/OptionsWPE.cmake:
+
 2018-04-12  Ryan Haddad  <ryanhaddad@apple.com>
 
         Unreviewed, rolling out r230554.