Fix ASAN canary crashes.

components/crash/content/app/BUILD.gn

Index: components/crash/content/app/BUILD.gn
diff --git a/components/crash/content/app/BUILD.gn b/components/crash/content/app/BUILD.gn
index f1e136dfdc426561061ceb7771b61a16e89008ea..be2522dab73586d5e9e75670c77c5a306da671a7 100644
--- a/components/crash/content/app/BUILD.gn
+++ b/components/crash/content/app/BUILD.gn
@@ -34,8 +34,6 @@ static_library("app") {
     "crashpad.h",
     "crashpad_mac.mm",
     "crashpad_win.cc",
-    "run_as_crashpad_handler_win.cc",
-    "run_as_crashpad_handler_win.h",
   ]
 
   if (is_mac || is_win) {
@@ -64,6 +62,22 @@ static_library("app") {
   }
 }
 
+if (is_win) {
+  static_library("run_as_crashpad_handler") {
+    sources = [
+      "crash_switches.cc",
+      "crash_switches.h",
+      "run_as_crashpad_handler_win.cc",
+      "run_as_crashpad_handler_win.h",
+    ]
+
+    deps = [
+      "//base",
+      "//third_party/crashpad/crashpad/handler:handler_lib",
+    ]
+  }
+}
+
 # TODO(mark): https://crbug.com/466890: merge this target with
 # crash_component.
 #