[Contextual Search] Add support for crushed sprites and animate the search provider icon

ui/android/resources/crushed_sprite_resource.cc

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ui/android/resources/crushed_sprite_resource.h"
+
+namespace ui {
+
+// static
+scoped_refptr<CrushedSpriteResource>
+CrushedSpriteResource::CreateFromJavaBitmap(
+    int bitmap_res_id,
+    const gfx::JavaBitmap& java_bitmap,
+    const SrcDstRects& src_dst_rects,
+    int sprite_size) {

[David Trainor- moved to gerrit, 2015/10/15 21:04:57]

Should this be an int?  Shouldn't it be a gfx::Size or something?

[Theresa, 2015/10/24 00:06:45]

I changed it to gfx::Size. Currently the sprites are square but that's certainly
not a requirement going forward.

+  SkBitmap bitmap = gfx::CreateSkBitmapFromJavaBitmap(java_bitmap);
+  bitmap.setImmutable();
+
+  return make_scoped_refptr(new CrushedSpriteResource(bitmap_res_id,
+                                                      bitmap,
+                                                      src_dst_rects,
+                                                      sprite_size));
+}
+
+void CrushedSpriteResource::SetBitmapFromJavaBitmap(
+    const gfx::JavaBitmap& java_bitmap) {
+  SkBitmap bitmap = gfx::CreateSkBitmapFromJavaBitmap(java_bitmap);
+  bitmap.setImmutable();
+  bitmap_ = bitmap;
+}
+
+SkBitmap CrushedSpriteResource::GetBitmap() {
+  DCHECK(!bitmap_.empty());
+  return bitmap_;
+}
+
+void CrushedSpriteResource::SetBitmapForLastFrame(SkBitmap last_frame_bitmap) {
+  last_frame_bitmap_ = last_frame_bitmap;
+  bitmap_.reset();
+}
+
+SkBitmap CrushedSpriteResource::GetBitmapForLastFrame() {
+  return last_frame_bitmap_;
+}
+
+bool CrushedSpriteResource::BitmapHasBeenEvictedFromMemory() {
+  return bitmap_.empty();
+}
+
+CrushedSpriteResource::FrameSrcDstRects
+CrushedSpriteResource::GetRectanglesForFrame(int frame) {
+  DCHECK(frame >= 0 && frame < static_cast<int>(src_dst_rects_.size()));
+  return src_dst_rects_[frame];
+}
+
+int CrushedSpriteResource::GetSpriteSize() {
+  return sprite_size_;
+}
+
+int CrushedSpriteResource::GetFrameCount() {
+  return src_dst_rects_.size();
+}
+
+int CrushedSpriteResource::GetBitmapResourceId() {
+  return bitmap_res_id_;
+}
+
+CrushedSpriteResource::CrushedSpriteResource(
+    int bitmap_res_id,
+    const SkBitmap& bitmap,
+    const SrcDstRects& src_dst_rects,
+    int sprite_size)
+    : bitmap_(bitmap), src_dst_rects_(src_dst_rects),
+      sprite_size_(sprite_size), bitmap_res_id_(bitmap_res_id) {
+}
+
+
+CrushedSpriteResource::~CrushedSpriteResource() {
+}
+
+}  // namespace ui