Reland Extension Installed InfoBubble

chrome/browser/views/info_bubble.h

Index: chrome/browser/views/info_bubble.h
diff --git a/chrome/browser/views/info_bubble.h b/chrome/browser/views/info_bubble.h
index 996413a6909ef0ee3fb6166cdf5edc8b734a2124..0e7e6228ad735058cac1f5219d08d00f6cc0e18f 100644
--- a/chrome/browser/views/info_bubble.h
+++ b/chrome/browser/views/info_bubble.h
@@ -74,6 +74,12 @@ class InfoBubbleDelegate {
 
   // Whether the InfoBubble should be closed when the Esc key is pressed.
   virtual bool CloseOnEscape() = 0;
+
+  // Whether the default placement of the anchor is on the origin side of the 
+  // text direction. For example: if true (the default) in LTR text direction,
+  // the ArrowLocation will be TOP_LEFT, if false it will be TOP_RIGHT.
+  // RTL is the reverse.
+  virtual bool PreferOriginSideAnchor() { return true; }
 };
 
 // TODO: this code is ifdef-tastic. It might be cleaner to refactor the
@@ -92,9 +98,13 @@ class InfoBubble
   // screen coordinates at which the InfoBubble will point.  Show() takes
   // ownership of |contents| and deletes the created InfoBubble when another
   // window is activated.  You can explicitly close the bubble by invoking
-  // Close().  You may provide an optional |delegate| to be notified when the
-  // InfoBubble is closed and/or to prevent the InfoBubble from being closed
-  // when the Escape key is pressed (the default behavior).
+  // Close().  You may provide an optional |delegate| to:
+  //     - Be notified when the InfoBubble is closed.
+  //     - Prevent the InfoBubble from being closed when the Escape key is
+  //       pressed (the default behavior).
+  //     - Have the InfoBubble prefer to anchor its arrow to the non-origin
+  //       side of text direction. (see comment above
+  //       InfoBubbleDelegate::PreferOriginSideAnchor); .
   static InfoBubble* Show(views::Window* parent,
                           const gfx::Rect& position_relative_to,
                           views::View* contents,