Adds imageWriterPrivate support for Windows

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 92bc06e9b2b3c4aff12857a1084463b1d0e688aa..0b681af915eb51111861aee245578be01e35f18f 100644
--- a/chrome/common/chrome_utility_messages.h
+++ b/chrome/common/chrome_utility_messages.h
@@ -273,6 +273,21 @@ IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RequestBlobBytes_Finished,
                      std::string /* bytes */)
 #endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
 
+// Requests that the utility process write the contents of the source file to
+// the removable drive listed in the target file. The target will be restricted
+// to removable drives by the utility process.
+IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_ImageWriter_Write,
+                     base::FilePath /* source file */,
+                     base::FilePath /* target file */)
+// Requests that the utility process verify that the contents of the source file
+// was written to the target.  As above the target will be restricted to

[Jorge Lucangeli Obes, 2014/02/15 00:14:00]

Nit (I'm a terrible human being): consistent spacing after full stop. Feel free
to land without fixing.

[Drew Haven, 2014/02/15 01:23:58]

I'm a double-spacer out of habit.  I specifically made the first one a
single-space to be consistent with the rest of the file, but missed the second.

(I'm a terrible human being)Double-space is still obviously superior.

+// removable drives by the utility process.
+IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_ImageWriter_Verify,
+                     base::FilePath /* source file */,
+                     base::FilePath /* target file */)
+// Cancels a pending write or verify operation.
+IPC_MESSAGE_CONTROL0(ChromeUtilityMsg_ImageWriter_Cancel)
+
 //------------------------------------------------------------------------------
 // Utility process host messages:
 // These are messages from the utility process to the browser.
@@ -439,3 +454,14 @@ IPC_MESSAGE_CONTROL3(ChromeUtilityHostMsg_RequestBlobBytes,
                      int64 /* start_byte */,
                      int64 /* length */)
 #endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
+
+// Reply when a write or verify operation succeeds.
+IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_ImageWriter_Succeeded)
+// Reply when a write or verify operation has been fully cancelled.
+IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_ImageWriter_Cancelled)
+// Reply when a write or verify operation fails to complete.
+IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_ImageWriter_Failed,
+                     std::string /* message */)
+// Periodic status update about the progress of an operation.
+IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_ImageWriter_Progress,
+                     int64 /* number of bytes processed */)