[webkit] Support resizing in WebView

The new size needs to be passed to the frame.

Change-Id: Id27b5670874f66e247f6c089649066fad1c37d71
diff --git a/Source/WebKit/fuchsia/WebView.cpp b/Source/WebKit/fuchsia/WebView.cpp
index db24b38..213fc6e 100644
--- a/Source/WebKit/fuchsia/WebView.cpp
+++ b/Source/WebKit/fuchsia/WebView.cpp
@@ -148,6 +148,11 @@
 
         mainFrame.tree().setName("fuchsia_group");
         mainFrame.init();
+    } else {
+        Frame* frame = m_frameLoaderClient->frame();
+        FrameView* view = frame->view();
+        IntRect newRect(0, 0, m_pageWidth, m_pageHeight);
+        view->setFrameRect(newRect);
     }
 
     return true;