Fix a bug where we were getting a resize cursor near the top of the web

chrome/browser/gtk/browser_window_gtk.cc

Index: chrome/browser/gtk/browser_window_gtk.cc
diff --git a/chrome/browser/gtk/browser_window_gtk.cc b/chrome/browser/gtk/browser_window_gtk.cc
index 2cc2d19645a80ac4b5e9b0aa21f4fc9b60f6591b..aeae1298b00d968423f475823f8288d0119aa651 100644
--- a/chrome/browser/gtk/browser_window_gtk.cc
+++ b/chrome/browser/gtk/browser_window_gtk.cc
@@ -706,6 +706,7 @@ void BrowserWindowGtk::ShowHTMLDialog(HtmlDialogUIDelegate* delegate,
 }
 
 void BrowserWindowGtk::UserChangedTheme() {
+  SetBackgroundColor();
   gdk_window_invalidate_rect(GTK_WIDGET(window_)->window,
       &GTK_WIDGET(window_)->allocation, TRUE);
 }
@@ -1139,10 +1140,16 @@ gboolean BrowserWindowGtk::OnGtkAccelerator(GtkAccelGroup* accel_group,
 // static
 gboolean BrowserWindowGtk::OnMouseMoveEvent(GtkWidget* widget,
     GdkEventMotion* event, BrowserWindowGtk* browser) {
+  // Get the mouse position relative to |widget|.  We can't just use event->x
+  // and event->y because that's relative to the gdk window that got the
+  // event.
+  gint x = 0;
+  gint y = 0;
+  gtk_widget_get_pointer(widget, &x, &y);
+
   // Update the cursor if we're on the custom frame border.
   GdkWindowEdge edge;
-  bool has_hit_edge = browser->GetWindowEdge(static_cast<int>(event->x),
-      static_cast<int>(event->y), &edge);
+  bool has_hit_edge = browser->GetWindowEdge(x, y, &edge);
   GdkCursorType new_cursor = GDK_LAST_CURSOR;
   if (has_hit_edge)
     new_cursor = GdkWindowEdgeToGdkCursorType(edge);