[Android] Modify CreateJavaBitmap to accept SkBitmap::Config and export the 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 cb1077d73e2ca49f6c8af26c8a107bda67398d6c..a876c9b7633fa1ca960dd6ed407aea8ee37b3120 100644
--- a/ui/gfx/android/java_bitmap.h
+++ b/ui/gfx/android/java_bitmap.h
@@ -49,6 +49,11 @@ class GFX_EXPORT JavaBitmap {
   DISALLOW_COPY_AND_ASSIGN(JavaBitmap);
 };
 
+GFX_EXPORT base::android::ScopedJavaLocalRef<jobject> CreateJavaBitmap(

[jdduke (slow), 2014/03/06 01:18:19]

While it may seem self-explanatory, please put a short note here indicating what
exactly this does (i.e., Allocates a Java-backed bitmap with the given size and
format).  It may not be immediately clear given that there's also a |JavaBitmap|
class in this same header file, which isn't actually being created.

+    int width,
+    int height,
+    SkBitmap::Config bitmap_config);
+
 GFX_EXPORT base::android::ScopedJavaLocalRef<jobject> ConvertToJavaBitmap(
     const SkBitmap* skbitmap);