Decode ImageManager cached images on demand.

components/suggestions/image_encoder.cc

Index: components/suggestions/image_encoder.cc
diff --git a/components/suggestions/image_encoder.cc b/components/suggestions/image_encoder.cc
index bcceaaeeb618e8c25cf9c2036252259bec198e12..c952abff3eddfe606485d0e42d52c891d643359d 100644
--- a/components/suggestions/image_encoder.cc
+++ b/components/suggestions/image_encoder.cc
@@ -9,8 +9,9 @@
 
 namespace suggestions {
 
-SkBitmap* DecodeJPEGToSkBitmap(const std::vector<unsigned char>& encoded_data) {
-  return gfx::JPEGCodec::Decode(&encoded_data[0], encoded_data.size());
+SkBitmap* DecodeJPEGToSkBitmap(const void* encoded_data, size_t size) {
+  return gfx::JPEGCodec::Decode(
+      static_cast<const unsigned char*>(encoded_data), size);
 }
 
 bool EncodeSkBitmapToJPEG(const SkBitmap& bitmap,