Vectorize download shelf progress indicators

chrome/browser/download/download_shelf.h

Index: chrome/browser/download/download_shelf.h
diff --git a/chrome/browser/download/download_shelf.h b/chrome/browser/download/download_shelf.h
index 4e14c39b227c6c9ef2da87e313118f4954989eb9..5d160abccbd10841ae880f660fd49535f43b2de3 100644
--- a/chrome/browser/download/download_shelf.h
+++ b/chrome/browser/download/download_shelf.h
@@ -12,6 +12,10 @@
 
 class Browser;
 
+namespace base {
+class TimeTicks;
+}
+
 namespace gfx {
 class Canvas;
 class ImageSkia;
@@ -43,20 +47,8 @@ class DownloadShelf {
   // Download progress animations ----------------------------------------------
 
   enum {
-    // Arc sweep angle for use with downloads of unknown size.
-    kUnknownAngleDegrees = 50,
-
-    // Rate of progress for use with downloads of unknown size.
-    kUnknownIncrementDegrees = 12,
-
-    // Start angle for downloads with known size (midnight position).
-    kStartAngleDegrees = -90,
-
-    // A the maximum number of degrees of a circle.
-    kMaxDegrees = 360,
-
     // Progress animation timer period, in milliseconds.
-    kProgressRateMs = 150,
+    kProgressRateMs = 30,
 
     // Size of the filetype icon.
     kSmallIconSize = 16,
@@ -81,32 +73,14 @@ class DownloadShelf {
   // Paint the common download animation progress foreground and background,
   // clipping the foreground to 'percent' full. If percent is -1, then we don't
   // know the total size, so we just draw a rotating segment until we're done.
-  static void PaintCustomDownloadProgress(
-      gfx::Canvas* canvas,
-      const gfx::ImageSkia& background_image,
-      const gfx::ImageSkia& foreground_image,
-      int image_size,
-      const gfx::Rect& bounds,
-      int start_angle,
-      int percent_done);
-
   static void PaintDownloadProgress(gfx::Canvas* canvas,
-                                    const BoundsAdjusterCallback& rtl_mirror,
-                                    int origin_x,
-                                    int origin_y,
-                                    int start_angle,
+                                    const base::TimeTicks& progress_start_time,
                                     int percent);
 
   static void PaintDownloadComplete(gfx::Canvas* canvas,
-                                    const BoundsAdjusterCallback& rtl_mirror,
-                                    int origin_x,
-                                    int origin_y,
                                     double animation_progress);
 
   static void PaintDownloadInterrupted(gfx::Canvas* canvas,
-                                       const BoundsAdjusterCallback& rtl_mirror,
-                                       int origin_x,
-                                       int origin_y,
                                        double animation_progress);
 
   // A new download has started. Add it to our shelf and show the download