Revert of Convert utility process out-of-process file patching to mojo

chrome/common/chrome_utility_messages.h

Index: chrome/common/chrome_utility_messages.h
diff --git a/chrome/common/chrome_utility_messages.h b/chrome/common/chrome_utility_messages.h
index 3473e6b496599cd23ee0f39dcc7a4891230eaac0..4bc2f0a985c1b93e7aff5bc25cf52bb2a04ac5bd 100644
--- a/chrome/common/chrome_utility_messages.h
+++ b/chrome/common/chrome_utility_messages.h
@@ -139,6 +139,22 @@
 //------------------------------------------------------------------------------
 // Utility process messages:
 // These are messages from the browser to the utility process.
+
+// Tell the utility process to patch the given |input_file| using |patch_file|
+// and place the output in |output_file|. The patch should use the bsdiff
+// algorithm (Courgette's version).
+IPC_MESSAGE_CONTROL3(ChromeUtilityMsg_PatchFileBsdiff,
+                     IPC::PlatformFileForTransit /* input_file */,
+                     IPC::PlatformFileForTransit /* patch_file */,
+                     IPC::PlatformFileForTransit /* output_file */)
+
+// Tell the utility process to patch the given |input_file| using |patch_file|
+// and place the output in |output_file|. The patch should use the Courgette
+// algorithm.
+IPC_MESSAGE_CONTROL3(ChromeUtilityMsg_PatchFileCourgette,
+                     IPC::PlatformFileForTransit /* input_file */,
+                     IPC::PlatformFileForTransit /* patch_file */,
+                     IPC::PlatformFileForTransit /* output_file */)
 
 #if defined(OS_CHROMEOS)
 // Tell the utility process to create a zip file on the given list of files.
@@ -193,6 +209,9 @@
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_UnpackWebResource_Failed,
                      std::string /* error_message, if any */)
 
+// Reply when a file has been patched.
+IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_PatchFile_Finished, int /* result */)
+
 #if defined(OS_CHROMEOS)
 // Reply when the utility process has succeeded in creating the zip file.
 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_CreateZipFile_Succeeded)