[Android] Add a native pull-to-refresh overscroll effect

ui/gfx/android/java_bitmap.cc

 // Copyright (c) 2012 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/gfx/android/java_bitmap.h"
 
 #include <android/bitmap.h>
 
 #include "base/android/jni_string.h"
 #include "base/logging.h"
 #include "jni/BitmapHelper_jni.h"
-#include "skia/ext/image_operations.h"
 #include "ui/gfx/size.h"
 
 using base::android::AttachCurrentThread;
 using base::android::ConvertUTF8ToJavaString;
 
 namespace gfx {
 
 JavaBitmap::JavaBitmap(jobject bitmap)
     : bitmap_(bitmap),
       pixels_(NULL) {
@@ skipping 56 matching lines @@
       skbitmap->width(), skbitmap->height(), color_type);
   SkAutoLockPixels src_lock(*skbitmap);
   JavaBitmap dst_lock(jbitmap.obj());
   void* src_pixels = skbitmap->getPixels();
   void* dst_pixels = dst_lock.pixels();
   memcpy(dst_pixels, src_pixels, skbitmap->getSize());
 
   return jbitmap;
 }
 
-SkBitmap CreateSkBitmapFromAndroidResource(const char* name, gfx::Size size) {
-  DCHECK(name);
-  DCHECK(!size.IsEmpty());
-  JNIEnv* env = AttachCurrentThread();
-  ScopedJavaLocalRef<jstring> jname(ConvertUTF8ToJavaString(env, name));
-  base::android::ScopedJavaLocalRef<jobject> jobj =
-      Java_BitmapHelper_decodeDrawableResource(
-          env, jname.obj(), size.width(), size.height());
-
-  if (jobj.is_null())
-    return SkBitmap();
-
-  SkBitmap bitmap = CreateSkBitmapFromJavaBitmap(gfx::JavaBitmap(jobj.obj()));
-  if (bitmap.isNull())
-    return bitmap;
-
-  return skia::ImageOperations::Resize(
-      bitmap, skia::ImageOperations::RESIZE_BOX, size.width(), size.height());
-}
-
 SkBitmap CreateSkBitmapFromJavaBitmap(const JavaBitmap& jbitmap) {
   // TODO(jdduke): Convert to DCHECK's when sufficient data has been capture for
   // crbug.com/341406.
   CHECK_EQ(jbitmap.format(), ANDROID_BITMAP_FORMAT_RGBA_8888);
   CHECK(!jbitmap.size().IsEmpty());
   CHECK_GT(jbitmap.stride(), 0U);
   CHECK(jbitmap.pixels());
 
   gfx::Size src_size = jbitmap.size();
 
@@ skipping 20 matching lines @@
       return kN32_SkColorType;
     case BITMAP_FORMAT_RGB_565:
       return kRGB_565_SkColorType;
     case BITMAP_FORMAT_NO_CONFIG:
     default:
       return kUnknown_SkColorType;
   }
 }
 
 }  //  namespace gfx