Bug 720538 - Remove unused functions and variables. r=wesj

mobile/android/base/gfx/LayerController.java

@@ -335,11 +335,6 @@ public class LayerController {
         return new RectF(x, y, x + layerSize.width, y + layerSize.height);
     }
 
-    public RectF restrictToPageSize(RectF aRect) {
-        FloatSize pageSize = getPageSize();
-        return RectUtils.restrict(aRect, new RectF(0, 0, pageSize.width, pageSize.height));
-    }
-
     // Returns true if a checkerboard is about to be visible.
     private boolean aboutToCheckerboard() {
         // Increase the size of the viewport (and clamp to page boundaries), and

mobile/android/base/gfx/RectUtils.java

@@ -115,18 +115,6 @@ public final class RectUtils {
         return new IntSize(rect.width(), rect.height());
     }
 
-    /* Returns a new RectF which restricts a source rect to the area inside a second destination rect.
-     * If the source rect is wider/taller than the destination rect, it's width/height will be shortened
-     * (and its aspect ratio will NOT be maintained).
-    */
-    public static RectF restrict(RectF rect, RectF dest) {
-        float width = Math.min(rect.width(), dest.width());
-        float height = Math.min(rect.height(), dest.height());
-        float x = Math.max(dest.left, Math.min(dest.right-width, rect.left));
-        float y = Math.max(dest.top, Math.min(dest.bottom-height, rect.top));
-        return new RectF(x, y, x+width, y+height);
-    }
-
     /*
      * Returns the rect that represents a linear transition between `from` and `to` at time `t`,
      * which is on the scale [0, 1).

mobile/android/base/ui/PanZoomController.java

@@ -163,7 +163,6 @@ public class PanZoomController
         Log.i(LOGTAG, "Got message: " + event);
         try {
             if (MESSAGE_ZOOM_RECT.equals(event)) {
-                float scale = mController.getZoomFactor();
                 float x = (float)message.getDouble("x");
                 float y = (float)message.getDouble("y");
                 final RectF zoomRect = new RectF(x, y,
@@ -175,7 +174,6 @@ public class PanZoomController
                     }
                 });
             } else if (MESSAGE_ZOOM_PAGE.equals(event)) {
-                float scale = mController.getZoomFactor();
                 FloatSize pageSize = mController.getPageSize();
 
                 RectF viewableRect = mController.getViewport();