Add GetStoreSizeInBytes() to ImageStore to know the actual db size.

We will limit the enhanced bookmark image store database size
to ensure that the db file size is reasonable. So add a function
to query the actual file size.

BUG=378853

Review URL: https://codereview.chromium.org/305963004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274297 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 16 insertions, 0 deletions

diff --git a/components/enhanced_bookmarks/test_image_store.cc b/components/enhanced_bookmarks/test_image_store.cc
index c96f3cf..19d505f 100644
--- a/components/enhanced_bookmarks/test_image_store.cc
+++ b/components/enhanced_bookmarks/test_image_store.cc
@@ -4,6 +4,7 @@
 
 #include "components/enhanced_bookmarks/test_image_store.h"
 
+#include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/geometry/size.h"
 #include "url/gurl.h"
 
@@ -68,6 +69,21 @@ void TestImageStore::ClearAll() {
   store_.clear();
 }
 
+int64 TestImageStore::GetStoreSizeInBytes() {
+  // Not 100% accurate, but it's for testing so the actual value is not
+  // important.
+  int64 size = sizeof(store_);
+  for (ImageMap::const_iterator it = store_.begin(); it != store_.end(); ++it) {
+    size += sizeof(it->first);
+    size += it->first.spec().length();
+    size += sizeof(it->second);
+    SkBitmap bitmap = it->second.first.AsBitmap();
+    size += bitmap.getSize();
+    size += it->second.second.spec().length();
+  }
+  return size;
+}
+
 TestImageStore::~TestImageStore() {
   DCHECK(sequence_checker_.CalledOnValidSequencedThread());
 }