[Android] Implement asynchronous zero-copy bitmap capture API.

ui/gfx/android/java_bitmap.h

Index: ui/gfx/android/java_bitmap.h
diff --git a/ui/gfx/android/java_bitmap.h b/ui/gfx/android/java_bitmap.h
index 9d1e4432cb7dcafaed425e7b20159b82875f3b31..8e07cb2f52c4ee0636e302787c68902cff7cfbc1 100644
--- a/ui/gfx/android/java_bitmap.h
+++ b/ui/gfx/android/java_bitmap.h
@@ -41,6 +41,11 @@ class GFX_EXPORT JavaBitmap {
   DISALLOW_COPY_AND_ASSIGN(JavaBitmap);
 };
 
+GFX_EXPORT base::android::ScopedJavaLocalRef<jobject> CreateJavaBitmap(
+    int width,
+    int height,
+    bool is565_config);
+
 GFX_EXPORT base::android::ScopedJavaLocalRef<jobject> ConvertToJavaBitmap(
     const SkBitmap* skbitmap);