Update ninja to v1.3.4 on Mac, Linux32, Linux64, Windows.

                                                                                 
See the bug for how these were built.                                            
                                                                                 
The linux binaries were built by thestig@chromium.org.                           
The windows binary was built by scottmg@chromium.org.                            
The mac binary was built by thakis@chromium.org                                  
                                                                                 
This contains fixes for http://crbug.com/245034 and http://crbug.com/242397      
                                                                                 
BUG=242397,245034,246734
TBR=scottmg



git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@204049 0039d316-1c4b-4281-b951-d872f2087c98

ninja

@@ -12,7 +12,7 @@ cat <<-EOF
 No prebuilt ninja binary was found for this system.
 Try building your own binary by doing:
   cd ~
-  git clone https://github.com/martine/ninja.git -b v1.3.3
+  git clone https://github.com/martine/ninja.git -b v1.3.4
   ./ninja/bootstrap.py
 Then add ~/ninja/ to your PATH.
 EOF