Implement double/triple click functionality in views textfield.

views/controls/textfield/native_textfield_views_unittest.cc

Index: views/controls/textfield/native_textfield_views_unittest.cc
diff --git a/views/controls/textfield/native_textfield_views_unittest.cc b/views/controls/textfield/native_textfield_views_unittest.cc
index 9e946abaede6bb17dec433452eb968f6319fe398..3c3a86c045f0652385580289993b8266fa8dfe88 100644
--- a/views/controls/textfield/native_textfield_views_unittest.cc
+++ b/views/controls/textfield/native_textfield_views_unittest.cc
@@ -99,6 +99,10 @@ class NativeTextfieldViewsTest : public ViewsTestBase,
     return textfield_view_->context_menu_menu_.get();
   }
 
+  bool IsTrackingTripleClick() {
+    return textfield_view_->tracking_triple_click_;
+  }
+
  protected:
   bool SendKeyEventToTextfieldViews(ui::KeyboardCode key_code,
                                     bool shift,
@@ -423,4 +427,22 @@ TEST_F(NativeTextfieldViewsTest, ContextMenuDisplayTest) {
   VerifyTextfieldContextMenuContents(true, GetContextMenu()->model());
 }
 
+TEST_F(NativeTextfieldViewsTest, DoubleAndTripleClickTest) {
+  InitTextfield(Textfield::STYLE_DEFAULT);
+  textfield_->SetText(ASCIIToUTF16("hello world"));
+  MouseEvent me(MouseEvent::ET_MOUSE_PRESSED, 0, 0, Event::EF_LEFT_BUTTON_DOWN);
+  EXPECT_FALSE(IsTrackingTripleClick());
+
+  // Test for double click.
+  textfield_view_->OnMousePressed(me);
+  textfield_view_->OnMousePressed(me);
+  EXPECT_STR_EQ("hello", textfield_->GetSelectedText());
+  EXPECT_TRUE(IsTrackingTripleClick());
+
+  // Test for triple click.
+  textfield_view_->OnMousePressed(me);
+  EXPECT_STR_EQ("hello world", textfield_->GetSelectedText());
+  EXPECT_FALSE(IsTrackingTripleClick());
+}
+
 }  // namespace views