BASELINE: Update Chromium to 69.0.3497.70

Change-Id: I2b7b56e4e7a8b26656930def0d4575dc32b900a0
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

1 files changed, 8 insertions, 0 deletions

diff --git a/chromium/pdf/chunk_stream.h b/chromium/pdf/chunk_stream.h
index 7eb75cf61b8..7fc092e1ed5 100644
--- a/chromium/pdf/chunk_stream.h
+++ b/chromium/pdf/chunk_stream.h
@@ -81,6 +81,10 @@ class ChunkStream {
     return filled_chunks_.Contains(chunks_range);
   }
 
+  bool IsChunkAvailable(uint32_t chunk_index) const {
+    return filled_chunks_.Contains(chunk_index);
+  }
+
   void set_eof_pos(uint32_t eof_pos) { eof_pos_ = eof_pos; }
   uint32_t eof_pos() const { return eof_pos_; }
 
@@ -90,6 +94,10 @@ class ChunkStream {
     return eof_pos_ > 0 && IsRangeAvailable(gfx::Range(0, eof_pos_));
   }
 
+  bool IsValidChunkIndex(uint32_t chunk_index) const {
+    return !eof_pos_ || (chunk_index <= GetChunkIndex(eof_pos_ - 1));
+  }
+
   void Clear() {
     data_.clear();
     eof_pos_ = 0;