Switching back the backgroung to JPG.

After this is landed I will remove ui/resources/aura/wallpaper.png in CL 9566044.

BUG=105508
TEST=none

Review URL: https://chromiumcodereview.appspot.com/9567037

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@124670 0039d316-1c4b-4281-b951-d872f2087c98

ash/desktop_background/desktop_background_view.cc

@@ -30,7 +30,7 @@ static int RoundPositive(double x) {
 
 DesktopBackgroundView::DesktopBackgroundView() {
   wallpaper_ = *ui::ResourceBundle::GetSharedInstance().GetImageNamed(
-      IDR_AURA_WALLPAPER).ToSkBitmap();
+      IDR_AURA_WALLPAPER_1).ToSkBitmap();
   wallpaper_.buildMipMap(false);
 }
 
@@ -71,8 +71,7 @@ void DesktopBackgroundView::OnPaint(gfx::Canvas* canvas) {
        wallpaper_cropped_rect.width(), wallpaper_cropped_rect.height(),
        0, 0, width(), height(),
        true);
-  }
-  else {
+  } else {
     // Center the wallpaper in the destination rectangle (Skia will crop
     // as needed). We might decide later to tile small solid color images.
     canvas->DrawBitmapInt(wallpaper_, (width() - wallpaper_.width()) / 2,

ui/base/resource/resource_bundle.cc

@@ -19,6 +19,7 @@
 #include "ui/base/resource/data_pack.h"
 #include "ui/base/ui_base_paths.h"
 #include "ui/base/ui_base_switches.h"
+#include "ui/gfx/codec/jpeg_codec.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/image/image.h"
@@ -349,12 +350,17 @@ SkBitmap* ResourceBundle::LoadBitmap(DataHandle data_handle, int resource_id) {
     return NULL;
 
   SkBitmap bitmap;
-  if (!gfx::PNGCodec::Decode(memory->front(), memory->size(), &bitmap)) {
-    NOTREACHED() << "Unable to decode theme image resource " << resource_id;
-    return NULL;
-  }
+  if (gfx::PNGCodec::Decode(memory->front(), memory->size(), &bitmap))
+    return new SkBitmap(bitmap);
+
+  // 99% of our assets are PNGs, however fallback to JPEG.
+  SkBitmap* allocated_bitmap =
+      gfx::JPEGCodec::Decode(memory->front(), memory->size());
+  if (allocated_bitmap)
+    return allocated_bitmap;
 
-  return new SkBitmap(bitmap);
+  NOTREACHED() << "Unable to decode theme image resource " << resource_id;
+  return NULL;
 }
 
 gfx::Image* ResourceBundle::GetEmptyImage() {

ui/resources/ui_resources.grd

@@ -178,10 +178,27 @@
         <include name="IDR_AURA_SHADOW_SMALL_BOTTOM" file="aura/small_shadow_bottom.png" type="BINDATA" />
         <include name="IDR_AURA_SHADOW_SMALL_BOTTOM_RIGHT" file="aura/small_shadow_bottom_right.png" type="BINDATA" />
         <include name="IDR_AURA_STATUS_MOCK" file="aura/statusbar.png" type="BINDATA" />
-        <include name="IDR_AURA_WALLPAPER" file="aura/wallpaper.png" type="BINDATA" />
-        <include name="IDR_AURA_WINDOW_CLOSE_ICON" file="aura/slab_close.png" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_1" file="aura/wallpaper_1.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_1_THUMB" file="aura/wallpaper_1_thumb.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_2" file="aura/wallpaper_2.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_2_THUMB" file="aura/wallpaper_2_thumb.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_3" file="aura/wallpaper_3.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_3_THUMB" file="aura/wallpaper_3_thumb.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_4" file="aura/wallpaper_4.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_4_THUMB" file="aura/wallpaper_4_thumb.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_5" file="aura/wallpaper_5.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_5_THUMB" file="aura/wallpaper_5_thumb.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_6" file="aura/wallpaper_6.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_6_THUMB" file="aura/wallpaper_6_thumb.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_7" file="aura/wallpaper_7.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_7_THUMB" file="aura/wallpaper_7_thumb.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_8" file="aura/wallpaper_8.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_8_THUMB" file="aura/wallpaper_8_thumb.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_9" file="aura/wallpaper_9.jpg" type="BINDATA" />
+        <include name="IDR_AURA_WALLPAPER_9_THUMB" file="aura/wallpaper_9_thumb.jpg" type="BINDATA" />
         <include name="IDR_AURA_WINDOW_BOTTOM_LEFT" file="aura/window_bottom_left.png" type="BINDATA" />
         <include name="IDR_AURA_WINDOW_BOTTOM_RIGHT" file="aura/window_bottom_right.png" type="BINDATA" />
+        <include name="IDR_AURA_WINDOW_CLOSE_ICON" file="aura/slab_close.png" type="BINDATA" />
         <include name="IDR_AURA_WINDOW_FULLSCREEN_CLOSE" file="aura/window_fullscreen_close.png" type="BINDATA" />
         <include name="IDR_AURA_WINDOW_FULLSCREEN_RESTORE" file="aura/window_fullscreen_restore.png" type="BINDATA" />
         <include name="IDR_AURA_WINDOW_FULLSCREEN_SEPARATOR" file="aura/window_fullscreen_separator.png" type="BINDATA" />