Make touch-resizing windows to screen edge possible

ash/wm/window_resizer.h

Index: ash/wm/window_resizer.h
diff --git a/ash/wm/window_resizer.h b/ash/wm/window_resizer.h
index bc46df85e31a51b9adb9d2932678303db03eee87..7157c146611b5b825579a62becdea5948dc453b6 100644
--- a/ash/wm/window_resizer.h
+++ b/ash/wm/window_resizer.h
@@ -89,6 +89,9 @@ class ASH_EXPORT WindowResizer {
 
     // Will the drag actually modify the window?
     bool is_resizable;
+
+    // Is the drag initiated by a touch action?
+    bool is_touch;
   };
 
   static gfx::Rect CalculateBoundsForDrag(const Details& details,
@@ -97,6 +100,12 @@ class ASH_EXPORT WindowResizer {
   static gfx::Rect AdjustBoundsToGrid(const gfx::Rect& bounds,
                                       int grid_size);
 
+  // Adjusts amounts of movement for touch resizes. Normally, the window border
+  // being dragged is several pixels behind the finger. This adjustment gives
+  // more speed to the window border, such that the border and the finger line
+  // up at the edge of the screen.
+  static void AdjustDeltas(const Details& details, int* delta_x, int* delta_y);

[sadrul, 2013/05/08 17:10:56]

How about:

static gfx::Vector2d AdjustDeltaForTouchDrag(const Details& details, const
gfx::Vector2d& delta);

[mohsen, 2013/05/28 23:27:39]

delta_x and delta_y are defined as two separate integers and other methods
working with these two values take them separately. Changing this method to get
Vector2d would make it inconsistent with the rest of the code, IMO. Also, I have
to make a Vector2d just to feed this method. Unless, I switch other methods to
Vector2d, too. What do you think? (By the way, I changed the name).

+
   static bool IsBottomEdge(int component);
 
  private: