Transition to base/mac/bundle_locations.h step 3

chrome/browser/mac/install_from_dmg.mm

Index: chrome/browser/mac/install_from_dmg.mm
diff --git a/chrome/browser/mac/install_from_dmg.mm b/chrome/browser/mac/install_from_dmg.mm
index 64473646bf6e9268afc315069c73d68b21268826..a923252ccec74055622a8e50b1d21babf4b8d9b3 100644
--- a/chrome/browser/mac/install_from_dmg.mm
+++ b/chrome/browser/mac/install_from_dmg.mm
@@ -235,7 +235,7 @@ bool IsPathOnReadOnlyDiskImage(const char path[],
 // the disk image's device, in "diskNsM" form.
 bool IsAppRunningFromReadOnlyDiskImage(std::string* dmg_bsd_device_name) {
   return IsPathOnReadOnlyDiskImage(
-      [[[NSBundle mainBundle] bundlePath] fileSystemRepresentation],
+      [[base::mac::OuterBundle() bundlePath] fileSystemRepresentation],
       dmg_bsd_device_name);
 }
 
@@ -425,7 +425,7 @@ bool MaybeInstallFromDiskImage() {
     return false;
   }
 
-  NSString* source_path = [[NSBundle mainBundle] bundlePath];
+  NSString* source_path = [base::mac::OuterBundle() bundlePath];
   NSString* application_name = [source_path lastPathComponent];
   NSString* target_path =
       [application_directory stringByAppendingPathComponent:application_name];