ui: Add non-member Vector2dScale() and Vector3dScale() methods to create scaled vectors

ui/gfx/vector3d_unittest.cc

Index: ui/gfx/vector3d_unittest.cc
diff --git a/ui/gfx/vector3d_unittest.cc b/ui/gfx/vector3d_unittest.cc
index cfac51eab0d0ac3e600b54603bfa85c7e7110754..ebb4edad71410385815267ddc103c4ae6b755f56 100644
--- a/ui/gfx/vector3d_unittest.cc
+++ b/ui/gfx/vector3d_unittest.cc
@@ -91,6 +91,15 @@ TEST(Vector3dTest, Scale) {
     EXPECT_EQ(v.x(), triple_values[i][0] * triple_values[i][3]);
     EXPECT_EQ(v.y(), triple_values[i][1] * triple_values[i][4]);
     EXPECT_EQ(v.z(), triple_values[i][2] * triple_values[i][5]);
+
+    Vector3dF v2 = ScaleVector3d(
+        gfx::Vector3dF(triple_values[i][0],
+                       triple_values[i][1],
+                       triple_values[i][2]),
+        triple_values[i][3], triple_values[i][4], triple_values[i][5]);
+    EXPECT_EQ(v2.x(), triple_values[i][0] * triple_values[i][3]);

[sky, 2012/11/09 17:06:21]

and order wrong here too.

[danakj, 2012/11/09 18:21:47]

Done.

+    EXPECT_EQ(v2.y(), triple_values[i][1] * triple_values[i][4]);
+    EXPECT_EQ(v2.z(), triple_values[i][2] * triple_values[i][5]);
   }
 
   float single_values[][4] = {
@@ -118,6 +127,15 @@ TEST(Vector3dTest, Scale) {
     EXPECT_EQ(v.x(), single_values[i][0] * single_values[i][3]);
     EXPECT_EQ(v.y(), single_values[i][1] * single_values[i][3]);
     EXPECT_EQ(v.z(), single_values[i][2] * single_values[i][3]);
+
+    Vector3dF v2 = ScaleVector3d(
+        gfx::Vector3dF(single_values[i][0],
+                       single_values[i][1],
+                       single_values[i][2]),
+        single_values[i][3]);
+    EXPECT_EQ(v2.x(), single_values[i][0] * single_values[i][3]);
+    EXPECT_EQ(v2.y(), single_values[i][1] * single_values[i][3]);
+    EXPECT_EQ(v2.z(), single_values[i][2] * single_values[i][3]);
   }
 }