Add unit tests for AppListServiceImpl.

chrome/browser/ui/app_list/fast_show_pickler.cc

Index: chrome/browser/ui/app_list/fast_show_pickler.cc
diff --git a/chrome/browser/ui/app_list/fast_show_pickler.cc b/chrome/browser/ui/app_list/fast_show_pickler.cc
index d282aabfc2be6197f303ac7a5cff82afb47ee534..d98b5fbf4f0bb87651657bb574e17d807680c39e 100644
--- a/chrome/browser/ui/app_list/fast_show_pickler.cc
+++ b/chrome/browser/ui/app_list/fast_show_pickler.cc
@@ -6,7 +6,6 @@
 
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/app_list/app_list_item_model.h"
-#include "ui/base/layout.h"
 #include "ui/gfx/image/image_skia_rep.h"
 
 namespace {
@@ -88,7 +87,7 @@ bool PickleImage(Pickle* pickle, const gfx::ImageSkia& image) {
   pickle->WriteInt(static_cast<int>(reps.size()));
   for (std::vector<gfx::ImageSkiaRep>::const_iterator it = reps.begin();
        it != reps.end(); ++it) {
-    pickle->WriteInt(static_cast<int>(ui::GetSupportedScaleFactor(it->scale())));
+    pickle->WriteFloat(it->scale());
     pickle->WriteInt(it->pixel_width());
     pickle->WriteInt(it->pixel_height());
     ImageFormat format = NONE;
@@ -111,8 +110,8 @@ bool UnpickleImage(PickleIterator* it, gfx::ImageSkia* out) {
 
   gfx::ImageSkia result;
   for (int i = 0; i < rep_count; ++i) {
-    int scale_factor = 0;
-    if (!it->ReadInt(&scale_factor))
+    float scale = 0.0f;
+    if (!it->ReadFloat(&scale))
       return false;
 
     int width = 0;
@@ -147,7 +146,6 @@ bool UnpickleImage(PickleIterator* it, gfx::ImageSkia* out) {
       SkAutoLockPixels lock(bitmap);
       memcpy(bitmap.getPixels(), pixels, bitmap.getSize());
     }
-    float scale = ui::GetImageScale(static_cast<ui::ScaleFactor>(scale_factor));
     result.AddRepresentation(gfx::ImageSkiaRep(bitmap, scale));
   }