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

chrome/common/mac/app_mode_chrome_locator.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/common/mac/app_mode_chrome_locator.h"
 
 #import <AppKit/AppKit.h>
 #include <CoreFoundation/CoreFoundation.h>
 
 #include "base/files/file_path.h"
 #include "base/mac/foundation_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/common/chrome_constants.h"
 
 namespace app_mode {
 
 bool FindBundleById(NSString* bundle_id, base::FilePath* out_bundle) {
   NSWorkspace* ws = [NSWorkspace sharedWorkspace];
   NSString *bundlePath = [ws absolutePathForAppBundleWithIdentifier:bundle_id];
   if (!bundlePath)
     return false;
 
   *out_bundle = base::mac::NSStringToFilePath(bundlePath);
   return true;
 }
 
 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) {
   using base::mac::ObjCCast;
 
   NSString* cr_bundle_path = base::mac::FilePathToNSString(chrome_bundle);
   NSBundle* cr_bundle = [NSBundle bundleWithPath:cr_bundle_path];
 
   if (!cr_bundle)
     return false;
@@ skipping 12 matching lines @@
                                 @"Versions",
                                 cr_version,
                                 nil];
   NSString* cr_versioned_path =
     [NSString pathWithComponents:cr_versioned_path_components];
 
   // Get the framework path.
   NSString* cr_bundle_exe =
       ObjCCast<NSString>(
           [cr_bundle objectForInfoDictionaryKey:@"CFBundleExecutable"]);
+  // Essentially we want chrome::kFrameworkName which looks like
+  // "$PRODUCT_STRING Framework.framework". The library itself is at
+  // "$PRODUCT_STRING Framework.framework/$PRODUCT_STRING Framework". Note that
+  // $PRODUCT_STRING is not |cr_bundle_exe| because in Canary the framework is
+  // still called "Google Chrome Framework".
+  // However, we want the shims to be agnostic to distribution and operate based
+  // on the data in their plist, so encode the framework names here.
+  NSDictionary* framework_for_exe = @{
+    @"Chromium": @"Chromium",
+    @"Google Chrome": @"Google Chrome",
+    @"Google Chrome Canary": @"Google Chrome",
+  };
+  NSString* framework_name = [framework_for_exe objectForKey:cr_bundle_exe];
   NSString* cr_framework_shlib_path =
       [cr_versioned_path stringByAppendingPathComponent:
-          base::SysUTF8ToNSString(chrome::kFrameworkName)];
-  // chrome::kFrameworkName looks like "$PRODUCT_STRING Framework.framework".
-  // The library itself is at
-  // "$PRODUCT_STRING Framework.framework/$PRODUCT_STRING Framework", so we cut
-  // off the .framework extension here and append it to the path.
-  // It's important to build the path to the framework this way because
-  // in Canary the framework is still called "Google Chrome Framework".
+          [framework_name stringByAppendingString:@" Framework.framework"]];
   cr_framework_shlib_path =
       [cr_framework_shlib_path stringByAppendingPathComponent:
-          [base::SysUTF8ToNSString(chrome::kFrameworkName)
-              stringByDeletingPathExtension]];
+          [framework_name stringByAppendingString:@" Framework"]];
   if (!cr_bundle_exe || !cr_framework_shlib_path)
     return false;
 
   // A few more sanity checks.
   BOOL is_directory;
   BOOL exists = [[NSFileManager defaultManager]
                     fileExistsAtPath:cr_framework_shlib_path
                          isDirectory:&is_directory];
   if (!exists || is_directory)
     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 =
       base::mac::NSStringToFilePath(cr_framework_shlib_path);
   return true;
 }
 
 }  // namespace app_mode