Minimize dependencies for components/crash/content/app.

Only depend on content/public/common when building for Chrome OS. Since
that is the only time when the dependency is actually needed.

Bug: 990184
Change-Id: Ie7e04f317510b3bcb099acfb81379919b96ffccb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1732389Reviewed-by: J Kardatzke <jkardatzke@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683764}

components/crash/content/app/BUILD.gn

@@ -95,13 +95,14 @@ static_library("app") {
       "//content/public/common:result_codes",
       "//sandbox",
     ]
+  }
 
-    if (is_linux) {
-      deps += [
-        "//content/public/common",
-        "//third_party/breakpad:client",
-      ]
-    }
+  if (is_linux) {
+    deps += [ "//third_party/breakpad:client" ]
+  }
+
+  if (is_chromeos) {
+    deps += [ "//content/public/common" ]
   }
 
   if (is_win) {

components/crash/content/app/breakpad_linux.cc

@@ -45,8 +45,6 @@
 #include "components/crash/content/app/crash_reporter_client.h"
 #include "components/crash/core/common/crash_keys.h"
 #include "content/public/common/content_descriptors.h"
-#include "content/public/common/content_switches.h"
-#include "services/service_manager/embedder/switches.h"
 #include "third_party/breakpad/breakpad/src/client/linux/crash_generation/crash_generation_client.h"
 #include "third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.h"
 #include "third_party/breakpad/breakpad/src/client/linux/minidump_writer/directory_reader.h"
@@ -64,6 +62,11 @@
 #endif
 #include "third_party/lss/linux_syscall_support.h"
 
+#if defined(OS_CHROMEOS)
+#include "content/public/common/content_switches.h"      // nogncheck
+#include "services/service_manager/embedder/switches.h"  // nogncheck
+#endif
+
 #if defined(ADDRESS_SANITIZER)
 #include <ucontext.h>  // for getcontext().
 #endif