Patch to fix build issues when disabling allocator shim for Linux. Tested with CEF branch 3945.

linux_memory.diff

diff --git a/patch/patch.cfg b/patch/patch.cfg
index 6b6e143e..ead726ee 100644
--- a/patch/patch.cfg
+++ b/patch/patch.cfg
@@ -495,5 +495,9 @@ patches = [
     # https://chromium-review.googlesource.com/c/chromium/src/+/1903768
     # https://bugs.chromium.org/p/chromium/issues/detail?id=1008523#c61
     'name': 'blink_layout_inline_1008523',
-  }
+  },
+  {
+    # Fix compile errors on Linux when disabling both tcmalloc and allocator shim.
+    'name': 'linux_memory',
+  },
 ]
diff --git a/patch/patches/linux_memory.patch b/patch/patches/linux_memory.patch
new file mode 100644
index 00000000..12df11d6
--- /dev/null
+++ b/patch/patches/linux_memory.patch
@@ -0,0 +1,22 @@
+diff --git base/process/memory_linux.cc base/process/memory_linux.cc
+index 483168b..507fae6 100644
+--- base/process/memory_linux.cc
++++ base/process/memory_linux.cc
+@@ -23,6 +23,17 @@
+ #include "third_party/tcmalloc/chromium/src/gperftools/tcmalloc.h"
+ #endif
+ 
++#if !BUILDFLAG(USE_TCMALLOC) && !BUILDFLAG(USE_ALLOCATOR_SHIM) && defined(LIBC_GLIBC)
++extern "C" {
++void* __libc_malloc(size_t size);
++void* __libc_calloc(size_t n, size_t size);
++void* __libc_realloc(void* address, size_t size);
++void* __libc_memalign(size_t alignment, size_t size);
++void __libc_free(void* ptr);
++}  // extern "C"
++
++#endif
++
+ namespace base {
+ 
+ size_t g_oom_size = 0U;