Fix fullscreen media control position issue when switching orientation

Source/web/WebViewImpl.cpp

Index: Source/web/WebViewImpl.cpp
diff --git a/Source/web/WebViewImpl.cpp b/Source/web/WebViewImpl.cpp
index 1a4e1347d9ad6369c6192253ed2a42b385cbc654..c551a775909e8bfbb1cc34e2e609bc598c7627f8 100644
--- a/Source/web/WebViewImpl.cpp
+++ b/Source/web/WebViewImpl.cpp
@@ -1594,8 +1594,9 @@ void WebViewImpl::resize(const WebSize& newSize)
 
     m_size = newSize;
 
+    bool isFullscreen = m_fullscreenController->isFullscreen();
     bool shouldAnchorAndRescaleViewport = settings()->mainFrameResizesAreOrientationChanges()
-        && oldSize.width && oldContentsWidth && newSize.width != oldSize.width;
+        && oldSize.width && oldContentsWidth && newSize.width != oldSize.width && !isFullscreen;
 
     ViewportAnchor viewportAnchor(&mainFrameImpl()->frame()->eventHandler());
     if (shouldAnchorAndRescaleViewport) {
@@ -1625,7 +1626,9 @@ void WebViewImpl::resize(const WebSize& newSize)
             page()->frameHost().pinchViewport().setSize(m_size);
     }
 
-    if (settings()->viewportEnabled() && !m_fixedLayoutSizeLock) {
+    if (isFullscreen) {
+        setPageScaleFactor(1.0f, IntPoint());

[aelias_OOO_until_Jul13, 2014/05/28 23:45:55]

Why is this line needed?

[trchen, 2014/05/29 00:02:13]

Maybe not. Just tried without this line. No adverse effect was observed.

+    } else if (settings()->viewportEnabled() && !m_fixedLayoutSizeLock) {
         // Relayout immediately to recalculate the minimum scale limit.
         if (view->needsLayout())
             view->layout();