[Mac] Rebuild app shims when they fail to dyload Chrome Framework.

chrome/common/mac/app_mode_chrome_locator.mm

Index: chrome/common/mac/app_mode_chrome_locator.mm
diff --git a/chrome/common/mac/app_mode_chrome_locator.mm b/chrome/common/mac/app_mode_chrome_locator.mm
index ac62380cf2fce635039fb9b463e0024a94e2c369..2e47bc19b765f2abde17191629449e8445e95b1e 100644
--- a/chrome/common/mac/app_mode_chrome_locator.mm
+++ b/chrome/common/mac/app_mode_chrome_locator.mm
@@ -25,6 +25,7 @@ bool FindBundleById(NSString* bundle_id, base::FilePath* out_bundle) {
 }
 
 bool GetChromeBundleInfo(const base::FilePath& chrome_bundle,
+                         base::FilePath* executable_path,
                          base::string16* raw_version_str,
                          base::FilePath* version_path,
                          base::FilePath* framework_shlib_path) {
@@ -82,6 +83,7 @@ bool GetChromeBundleInfo(const base::FilePath& chrome_bundle,
     return false;
 
   // Everything OK, copy output parameters.
+  *executable_path = base::mac::NSStringToFilePath([cr_bundle executablePath]);
   *raw_version_str = base::SysNSStringToUTF16(cr_version);
   *version_path = base::mac::NSStringToFilePath(cr_versioned_path);
   *framework_shlib_path =