cc/trees/layer_tree_host_impl.cc - Issue 175543002: CC: Fix overlow in multiply.

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Unified Diff: cc/trees/layer_tree_host_impl.cc

Issue 175543002: CC: Fix overlow in multiply. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Mimimal patch for cherry-pick. Created 6 years, 10 months ago

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Index: cc/trees/layer_tree_host_impl.cc

diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc

index d79b0855044a71f1bb1ff867bd0dd447e4d699d0..6a1c2fa411ed75daa06df20ae6b7c00e7aa9fbd3 100644

--- a/cc/trees/layer_tree_host_impl.cc

+++ b/cc/trees/layer_tree_host_impl.cc

@@ -1174,8 +1174,9 @@ void LayerTreeHostImpl::UpdateTileManagerMemoryPolicy(

global_tile_state_.hard_memory_limit_in_bytes =

policy.bytes_limit_when_visible;

global_tile_state_.soft_memory_limit_in_bytes =

- global_tile_state_.hard_memory_limit_in_bytes *

- settings_.max_memory_for_prepaint_percentage / 100;

+ (static_cast<int64>(global_tile_state_.hard_memory_limit_in_bytes) *

+ settings_.max_memory_for_prepaint_percentage) /

+ 100;

}

// Unused limit is calculated from soft-limit, as hard-limit may

// be very high and shouldn't typically be exceeded.

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