1 files changed, 5 insertions, 4 deletions
diff --git a/Source/WebKit2/UIProcess/WebContext.cpp b/Source/WebKit2/UIProcess/WebContext.cpp
index 0003387d0..fdd363ac6 100644
--- a/Source/WebKit2/UIProcess/WebContext.cpp
+++ b/Source/WebKit2/UIProcess/WebContext.cpp
@@ -501,20 +501,21 @@ void WebContext::disconnectProcess(WebProcessProxy* process)
     m_processes.remove(m_processes.find(process));
 }
 
-PassRefPtr<WebPageProxy> WebContext::createWebPage(PageClient* pageClient, WebPageGroup* pageGroup)
+PassRefPtr<WebPageProxy> WebContext::createWebPage(PageClient* pageClient, WebPageGroup* pageGroup, WebPageProxy* relatedPage)
 {
     RefPtr<WebProcessProxy> process;
     if (m_processModel == ProcessModelSharedSecondaryProcess) {
         ensureSharedWebProcess();
         process = m_processes[0];
     } else {
-        // FIXME (Multi-WebProcess): Add logic for sharing a process.
-        // <rdar://problem/12218164> window.open() should create pages in the same process.
-        // <rdar://problem/12239661> Consider limiting the number of web processes in per-tab process model
         if (m_haveInitialEmptyProcess) {
             process = m_processes.last();
             m_haveInitialEmptyProcess = false;
+        } else if (relatedPage) {
+            // Sharing processes, e.g. when creating the page via window.open().
+            process = relatedPage->process();
         } else {
+            // FIXME (Multi-WebProcess): <rdar://problem/12239661> Consider limiting the number of web processes in per-tab process model.
             process = createNewWebProcess();
             m_processes.append(process);
         }