gtk: Hide the status bubble when the mouse nears it.

chrome/browser/status_bubble.h

Index: chrome/browser/status_bubble.h
diff --git a/chrome/browser/status_bubble.h b/chrome/browser/status_bubble.h
index 9203b80a904f91d4c02bbc2e05e474faa0d79c1b..81379d0a41009a2362416cfc6c18bbfd50673768 100644
--- a/chrome/browser/status_bubble.h
+++ b/chrome/browser/status_bubble.h
@@ -8,6 +8,9 @@
 #include <string>
 
 class GURL;
+namespace gfx {
+class Point;
+}
 
 ////////////////////////////////////////////////////////////////////////////////
 // StatusBubble interface
@@ -37,8 +40,10 @@ class StatusBubble {
   // Called when the user's mouse has moved over web content. This is used to
   // determine when the status area should move out of the way of the user's
   // mouse. This may be windows specific pain due to the way messages are
-  // processed for child HWNDs.
-  virtual void MouseMoved() = 0;
+  // processed for child HWNDs.  |position| is the absolute position of the
+  // pointer, and |left_content| is true if the mouse just left the content
+  // area.
+  virtual void MouseMoved(const gfx::Point& position, bool left_content) = 0;
 
   // Called when the download shelf becomes visible or invisible.
   // This is used by to ensure that the status bubble does not obscure