[MacViews] Implemented text context menu

content/browser/renderer_host/render_widget_host_view_mac_unittest.mm

Index: content/browser/renderer_host/render_widget_host_view_mac_unittest.mm
diff --git a/content/browser/renderer_host/render_widget_host_view_mac_unittest.mm b/content/browser/renderer_host/render_widget_host_view_mac_unittest.mm
index 8761ed4da7d4442d31fb83d70d07ac1a350167cb..6f9a643f78344d2eb66d6294d1f3bbdbdeb5912e 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac_unittest.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac_unittest.mm
@@ -308,7 +308,7 @@ class RenderWidgetHostViewMacTest : public RenderViewHostImplTestHarness {
   }
 
  protected:
-  std::string selected_text() const { return rwhv_mac_->selected_text_; }
+  base::string16 selected_text() const { return rwhv_mac_->selected_text_; }
 
   RenderWidgetHostViewMac* rwhv_mac_;
   base::scoped_nsobject<RenderWidgetHostViewCocoa> rwhv_cocoa_;
@@ -1340,23 +1340,22 @@ TEST_F(RenderWidgetHostViewMacTest, EventLatencyOSMouseWheelHistogram) {
 // This test verifies that |selected_text_| is updated accordingly with
 // different variations of RWHVMac::SelectChanged updates.
 TEST_F(RenderWidgetHostViewMacTest, SelectedText) {
-  base::string16 sample_text;
-  base::UTF8ToUTF16("hello world!", 12, &sample_text);
+  base::string16 sample_text = base::ASCIIToUTF16("hello world!");
   gfx::Range range(6, 11);
 
   // Send a valid selection for the word 'World'.
   rwhv_mac_->SelectionChanged(sample_text, 0U, range);
-  EXPECT_EQ("world", selected_text());
+  EXPECT_EQ(base::ASCIIToUTF16("world"), selected_text());
 
   // Make the range cover some of the text and extend more.
   range.set_end(100);
   rwhv_mac_->SelectionChanged(sample_text, 0U, range);
-  EXPECT_EQ("world!", selected_text());
+  EXPECT_EQ(base::ASCIIToUTF16("world!"), selected_text());
 
   // Finally, send an empty range. This should clear the selected text.
   range.set_start(100);
   rwhv_mac_->SelectionChanged(sample_text, 0U, range);
-  EXPECT_EQ("", selected_text());
+  EXPECT_EQ(base::string16(), selected_text());
 }
 
 // This class is used for IME-related unit tests which verify correctness of IME