Update to Chromium revision 241258.

- Update tracing implementation to use the new file-based approach (issue #1157).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1549 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

patch/patches/build.patch

@@ -1,6 +1,6 @@
 Index: common.gypi
 ===================================================================
---- common.gypi	(revision 237081)
+--- common.gypi	(revision 240657)
 +++ common.gypi	(working copy)
 @@ -9,6 +9,9 @@
    # Variables expected to be overriden on the GYP command line (-D) or by
@@ -12,7 +12,7 @@ Index: common.gypi
      # Putting a variables dict inside another variables dict looks kind of
      # weird.  This is done so that 'host_arch', 'chromeos', etc are defined as
      # variables within the outer variables dict here.  This is necessary
-@@ -186,7 +189,7 @@
+@@ -201,7 +204,7 @@
              'enable_app_list%': 0,
            }],
  
@@ -23,7 +23,7 @@ Index: common.gypi
              'use_default_render_theme%': 0,
 Index: mac/strip_save_dsym
 ===================================================================
---- mac/strip_save_dsym	(revision 237081)
+--- mac/strip_save_dsym	(revision 240657)
 +++ mac/strip_save_dsym	(working copy)
 @@ -48,7 +48,7 @@
                   "bundle"]