Update some uses of char16 to use the base:: namespace.

chrome/browser/component_updater/background_downloader_win.cc

Index: chrome/browser/component_updater/background_downloader_win.cc
diff --git a/chrome/browser/component_updater/background_downloader_win.cc b/chrome/browser/component_updater/background_downloader_win.cc
index cb02663b737f14bcb8dd17ee56b1a0d034764a05..66a17960680d18cdf759e243a26bed6b3801cc19 100644
--- a/chrome/browser/component_updater/background_downloader_win.cc
+++ b/chrome/browser/component_updater/background_downloader_win.cc
@@ -96,7 +96,7 @@ namespace {
 
 // All jobs created by this module have a specific description so they can
 // be found at run-time or by using system administration tools.
-const char16 kJobDescription[] = L"Chrome Component Updater";
+const base::char16 kJobDescription[] = L"Chrome Component Updater";
 
 // How often the code looks for changes in the BITS job state.
 const int kJobPollingIntervalSec = 10;
@@ -167,7 +167,7 @@ HRESULT GetJobFileProperties(IBackgroundCopyFile* file,
   HRESULT hr = S_OK;
 
   if (local_name) {
-    ScopedCoMem<char16> name;
+    ScopedCoMem<base::char16> name;
     hr = file->GetLocalName(&name);
     if (FAILED(hr))
       return hr;
@@ -175,7 +175,7 @@ HRESULT GetJobFileProperties(IBackgroundCopyFile* file,
   }
 
   if (remote_name) {
-    ScopedCoMem<char16> name;
+    ScopedCoMem<base::char16> name;
     hr = file->GetRemoteName(&name);
     if (FAILED(hr))
       return hr;
@@ -194,7 +194,7 @@ HRESULT GetJobFileProperties(IBackgroundCopyFile* file,
 }
 
 HRESULT GetJobDescription(IBackgroundCopyJob* job, const base::string16* name) {
-  ScopedCoMem<char16> description;
+  ScopedCoMem<base::char16> description;
   return job->GetDescription(&description);
 }
 
@@ -288,7 +288,7 @@ bool JobFileUrlEqual::operator()(IBackgroundCopyJob* job,
     return false;
 
   for (size_t i = 0; i != files.size(); ++i) {
-    ScopedCoMem<char16> name;
+    ScopedCoMem<base::char16> name;
     if (SUCCEEDED(files[i]->GetRemoteName(&name)) &&
         remote_name.compare(name) == 0)
       return true;