Rename GData/gdata to Drive/drive for comments/local variables/member variables

chrome/browser/chromeos/gdata/drive_cache_unittest.cc

Index: chrome/browser/chromeos/gdata/drive_cache_unittest.cc
diff --git a/chrome/browser/chromeos/gdata/drive_cache_unittest.cc b/chrome/browser/chromeos/gdata/drive_cache_unittest.cc
index 521c17d837b9a63785a97051a611e9f20f801f9c..dc0623f72959ff8acbd4aac1f0e7b1455b9c5a06 100644
--- a/chrome/browser/chromeos/gdata/drive_cache_unittest.cc
+++ b/chrome/browser/chromeos/gdata/drive_cache_unittest.cc
@@ -173,7 +173,7 @@ class DriveCacheTest : public testing::Test {
 
   void PrepareForInitCacheTest() {
     DVLOG(1) << "PrepareForInitCacheTest start";
-    // Create gdata cache sub directories.
+    // Create drive cache sub directories.
     ASSERT_TRUE(file_util::CreateDirectory(
         cache_->GetCacheDirectoryPath(DriveCache::CACHE_TYPE_PERSISTENT)));
     ASSERT_TRUE(file_util::CreateDirectory(
@@ -190,7 +190,7 @@ class DriveCacheTest : public testing::Test {
     // Copy files from data dir to cache dir to act as cached files.
     for (size_t i = 0; i < ARRAYSIZE_UNSAFE(initial_cache_resources); ++i) {
       const struct InitialCacheResource& resource = initial_cache_resources[i];
-      // Determine gdata cache file absolute path according to cache state.
+      // Determine drive cache file absolute path according to cache state.
       FilePath dest_path = cache_->GetCacheFilePath(
           resource.resource_id,
           resource.md5,