Re-land "Fix warnings with ANGLE and VS2015."

samples/sample_util/Vector.cpp

@@ -23,7 +23,7 @@ Vector2::Vector2(float x, float y)
 float Vector2::length(const Vector2 &vec)
 {
     float lenSquared = lengthSquared(vec);
-    return (lenSquared != 0.0f) ? sqrt(lenSquared) : 0.0f;
+    return (lenSquared != 0.0f) ? sqrtf(lenSquared) : 0.0f;
 }
 
 float Vector2::lengthSquared(const Vector2 &vec)
@@ -62,7 +62,7 @@ Vector3::Vector3(float x, float y, float z)
 float Vector3::length(const Vector3 &vec)
 {
     float lenSquared = lengthSquared(vec);
-    return (lenSquared != 0.0f) ? sqrt(lenSquared) : 0.0f;
+    return (lenSquared != 0.0f) ? sqrtf(lenSquared) : 0.0f;
 }
 
 float Vector3::lengthSquared(const Vector3 &vec)
@@ -161,7 +161,7 @@ Vector4::Vector4(float x, float y, float z, float w)
 float Vector4::length(const Vector4 &vec)
 {
     float lenSquared = lengthSquared(vec);
-    return (lenSquared != 0.0f) ? sqrt(lenSquared) : 0.0f;
+    return (lenSquared != 0.0f) ? sqrtf(lenSquared) : 0.0f;
 }
 
 float Vector4::lengthSquared(const Vector4 &vec)

samples/shader_translator/shader_translator.cpp

@@ -401,8 +401,8 @@ void PrintVariable(const std::string &prefix, size_t index, const sh::ShaderVari
       default: typeName = "UNKNOWN"; break;
     }
 
-    printf("%s %lu : name=%s, type=%s, arraySize=%u\n",
-           prefix.c_str(), index, var.name.c_str(), typeName.c_str(), var.arraySize);
+    printf("%s %u : name=%s, type=%s, arraySize=%u\n", prefix.c_str(),
+           static_cast<unsigned int>(index), var.name.c_str(), typeName.c_str(), var.arraySize);
     if (var.fields.size())
     {
         std::string structPrefix;