MacViews: Partially implement OSExchangeDataProviderMac.

ui/base/dragdrop/os_exchange_data_unittest.cc

Index: ui/base/dragdrop/os_exchange_data_unittest.cc
diff --git a/ui/base/dragdrop/os_exchange_data_unittest.cc b/ui/base/dragdrop/os_exchange_data_unittest.cc
index 41dd43a69234e701f5238ee6f6d4296b5cfda6ce..ea49a9de6f631da11a97c33207afd9f69efe5a73 100644
--- a/ui/base/dragdrop/os_exchange_data_unittest.cc
+++ b/ui/base/dragdrop/os_exchange_data_unittest.cc
@@ -26,10 +26,13 @@ class OSExchangeDataTest : public PlatformTest {
 TEST_F(OSExchangeDataTest, StringDataGetAndSet) {
   OSExchangeData data;
   base::string16 input = base::ASCIIToUTF16("I can has cheezburger?");
+  EXPECT_FALSE(data.HasString());
   data.SetString(input);
+  EXPECT_TRUE(data.HasString());
 
   OSExchangeData data2(data.provider().Clone());
   base::string16 output;
+  EXPECT_TRUE(data2.HasString());
   EXPECT_TRUE(data2.GetString(&output));
   EXPECT_EQ(input, output);
   std::string url_spec = "http://www.goats.com/";
@@ -46,14 +49,16 @@ TEST_F(OSExchangeDataTest, TestURLExchangeFormats) {
   std::string url_spec = "http://www.google.com/";
   GURL url(url_spec);
   base::string16 url_title = base::ASCIIToUTF16("www.google.com");
+  EXPECT_FALSE(data.HasURL(OSExchangeData::CONVERT_FILENAMES));
   data.SetURL(url, url_title);
-  base::string16 output;
+  EXPECT_TRUE(data.HasURL(OSExchangeData::CONVERT_FILENAMES));
 
   OSExchangeData data2(data.provider().Clone());
 
   // URL spec and title should match
   GURL output_url;
   base::string16 output_title;
+  EXPECT_TRUE(data2.HasURL(OSExchangeData::CONVERT_FILENAMES));
   EXPECT_TRUE(data2.GetURLAndTitle(
       OSExchangeData::CONVERT_FILENAMES, &output_url, &output_title));
   EXPECT_EQ(url_spec, output_url.spec());