Revert "Remove FX_Alloc() null checks now that it can't return NULL."

This reverts commit eb6527763171cdb4b0fbfea5a20d691f4d67b660.

Reason for revert: broke javascript tests.
TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/1145843005

1 files changed, 6 insertions, 0 deletions

diff --git a/core/src/fxge/agg/agg23/fx_agg_rasterizer_scanline_aa.cpp b/core/src/fxge/agg/agg23/fx_agg_rasterizer_scanline_aa.cpp
index 1c32d96cab..634d10a3be 100644
--- a/core/src/fxge/agg/agg23/fx_agg_rasterizer_scanline_aa.cpp
+++ b/core/src/fxge/agg/agg23/fx_agg_rasterizer_scanline_aa.cpp
@@ -117,6 +117,9 @@ void outline_aa::allocate_block()
     if(m_cur_block >= m_num_blocks) {
         if(m_num_blocks >= m_max_blocks) {
             cell_aa** new_cells = FX_Alloc( cell_aa*, m_max_blocks + cell_block_pool);
+            if (!new_cells) {
+                return;
+            }
             if(m_cells) {
                 FXSYS_memcpy32(new_cells, m_cells, m_max_blocks * sizeof(cell_aa*));
                 FX_Free(m_cells);
@@ -125,6 +128,9 @@ void outline_aa::allocate_block()
             m_max_blocks += cell_block_pool;
         }
         m_cells[m_num_blocks++] = FX_Alloc(cell_aa, cell_block_size);
+        if (!m_cells[m_num_blocks - 1]) {
+            return;
+        }
     }
     m_cur_cell_ptr = m_cells[m_cur_block++];
 }